The interest is 22,500 yuan. In 2023, 6,543,800 yuan will be deposited in rural credit cooperatives, with an annual interest of 2,250 yuan.

The regular annual interest rate of rural credit cooperatives is 2.25%, 1 ten thousand year interest rate 1000000x2.25%x 1 (year) = 22,500 yuan.

2. What's the monthly interest of the credit union loan of one million yuan?

The current one-year loan interest rate is 5.3 1% per annum. According to the comprehensive evaluation of loan purpose/lender's credit status/mortgage guarantee, the bank will make some floating on the basis of the benchmark interest rate, which is calculated here. The calculation of bank loan interest is monthly compound interest, with an annual interest rate of 5.3 1% and a monthly interest rate of 5.3 1%12, so the loan interest of1ten thousand years is:

1000000 (15.31%12)12-1000000 = 54411.

The People's Bank of China decided to lower the benchmark interest rates of RMB loans and deposits of financial institutions from 20 15124, to further reduce the social financing costs. Among them, the benchmark interest rate for one-year loans of financial institutions was lowered by 0.25 percentage points to 4.35%; The benchmark interest rate for one-year deposits was lowered by 0.25 percentage point to 1.5%.

3. What is the monthly interest rate of the loan of 6,543,800 yuan (interest rate 6.6)?

6.6 Interest refers to the annual interest rate of 6.6%, and the interest is equal to the loan amount multiplied by the interest rate, that is, 10000 yuan and 6.6%= 1000, that is, the loan is 1000 a year, and the interest to be repaid is 660 yuan, so the interest to be repaid in one month is 660/65438+.

Four, the rural credit cooperatives loan of 654.38+0 million, paid off in 654.38+05, how much should be paid back every month?

Pay back at least 5600 a month without interest.