22799797 has 2 divisors, whose sum is σ = 22799798. Its totient is φ = 22799796.

The previous prime is 22799789. The next prime is 22799801. The reversal of 22799797 is 79799722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13793796 + 9006001 = 3714^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 22799797 - 2³ = 22799789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22796797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11399898 + 11399899.

It is an arithmetic number, because the mean of its divisors is an integer number (11399899).

Almost surely, 2^22799797 is an apocalyptic number.

It is an amenable number.

22799797 is a deficient number, since it is larger than the sum of its proper divisors (1).

22799797 is an equidigital number, since it uses as much as digits as its factorization.

22799797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 52.

The square root of 22799797 is about 4774.9132976422. The cubic root of 22799797 is about 283.5591462414.

The spelling of 22799797 in words is "twenty-two million, seven hundred ninety-nine thousand, seven hundred ninety-seven".