22956725 has 18 divisors (see below), whose sum is σ = 31293570. Its totient is φ = 16693600.

The previous prime is 22956707. The next prime is 22956733. The reversal of 22956725 is 52765922.

It can be written as a sum of positive squares in 3 ways, for example, as 165649 + 22791076 = 407^2 + 4774^2 .

It is not a de Polignac number, because 22956725 - 2⁸ = 22956469 is a prime.

It is a super-2 number, since 2×22956725² = 1054022445451250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 770 + ... + 6819.

Almost surely, 2^22956725 is an apocalyptic number.

22956725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22956725 is a deficient number, since it is larger than the sum of its proper divisors (8336845).

22956725 is a wasteful number, since it uses less digits than its factorization.

22956725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621 (or 7605 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 22956725 is about 4791.3176684499. The cubic root of 22956725 is about 284.2082260872.

The spelling of 22956725 in words is "twenty-two million, nine hundred fifty-six thousand, seven hundred twenty-five".