22898531 has 2 divisors, whose sum is σ = 22898532. Its totient is φ = 22898530.

The previous prime is 22898527. The next prime is 22898537. The reversal of 22898531 is 13589822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22898531 - 2² = 22898527 is a prime.

It is a super-2 number, since 2×22898531² = 1048685443915922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22898537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11449265 + 11449266.

It is an arithmetic number, because the mean of its divisors is an integer number (11449266).

Almost surely, 2^22898531 is an apocalyptic number.

22898531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22898531 is an equidigital number, since it uses as much as digits as its factorization.

22898531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 22898531 is about 4785.2409552707. The cubic root of 22898531 is about 283.9678722831.

The spelling of 22898531 in words is "twenty-two million, eight hundred ninety-eight thousand, five hundred thirty-one".