22565152 has 12 divisors (see below), whose sum is σ = 44425206. Its totient is φ = 11282560.

The previous prime is 22565119. The next prime is 22565173. The reversal of 22565152 is 25156522.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 6533136 = 4004^2 + 2556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22565152.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352549 + ... + 352612.

Almost surely, 2^22565152 is an apocalyptic number.

It is an amenable number.

22565152 is a deficient number, since it is larger than the sum of its proper divisors (21860054).

22565152 is an equidigital number, since it uses as much as digits as its factorization.

22565152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705171 (or 705163 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 22565152 is about 4750.2791496922. The cubic root of 22565152 is about 282.5830366496.

The spelling of 22565152 in words is "twenty-two million, five hundred sixty-five thousand, one hundred fifty-two".