22656825 has 36 divisors (see below), whose sum is σ = 41023788. Its totient is φ = 11952000.

The previous prime is 22656793. The next prime is 22656833. The reversal of 22656825 is 52865622.

It can be written as a sum of positive squares in 6 ways, for example, as 2702736 + 19954089 = 1644^2 + 4467^2 .

It is not a de Polignac number, because 22656825 - 2⁵ = 22656793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22656825.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22227 + ... + 23223.

Almost surely, 2^22656825 is an apocalyptic number.

22656825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22656825 is a deficient number, since it is larger than the sum of its proper divisors (18366963).

22656825 is a wasteful number, since it uses less digits than its factorization.

22656825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1106 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 22656825 is about 4759.9185917408. The cubic root of 22656825 is about 282.9651927707.

The spelling of 22656825 in words is "twenty-two million, six hundred fifty-six thousand, eight hundred twenty-five".