22898831 has 2 divisors, whose sum is σ = 22898832. Its totient is φ = 22898830.

The previous prime is 22898797. The next prime is 22898879. The reversal of 22898831 is 13889822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22898831 - 2¹⁰ = 22897807 is a prime.

It is a super-2 number, since 2×22898831² = 1048712922333122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22898531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11449415 + 11449416.

It is an arithmetic number, because the mean of its divisors is an integer number (11449416).

Almost surely, 2^22898831 is an apocalyptic number.

22898831 is a deficient number, since it is larger than the sum of its proper divisors (1).

22898831 is an equidigital number, since it uses as much as digits as its factorization.

22898831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 41.

The square root of 22898831 is about 4785.2723015519. The cubic root of 22898831 is about 283.9691123917.

Subtracting from 22898831 its reverse (13889822), we obtain a palindrome (9009009).

The spelling of 22898831 in words is "twenty-two million, eight hundred ninety-eight thousand, eight hundred thirty-one".