22799531 has 2 divisors, whose sum is σ = 22799532. Its totient is φ = 22799530.

The previous prime is 22799521. The next prime is 22799537. The reversal of 22799531 is 13599722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22799531 - 2⁶ = 22799467 is a prime.

It is a super-2 number, since 2×22799531² = 1039637227639922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22799537) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11399765 + 11399766.

It is an arithmetic number, because the mean of its divisors is an integer number (11399766).

Almost surely, 2^22799531 is an apocalyptic number.

22799531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22799531 is an equidigital number, since it uses as much as digits as its factorization.

22799531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 22799531 is about 4774.8854436520. The cubic root of 22799531 is about 283.5580434973.

The spelling of 22799531 in words is "twenty-two million, seven hundred ninety-nine thousand, five hundred thirty-one".