22565224 has 16 divisors (see below), whose sum is σ = 46156320. Its totient is φ = 10256880.

The previous prime is 22565209. The next prime is 22565237. The reversal of 22565224 is 42256522.

It is a junction number, because it is equal to n+sod(n) for n = 22565192 and 22565201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128124 + ... + 128299.

It is an arithmetic number, because the mean of its divisors is an integer number (2884770).

Almost surely, 2^22565224 is an apocalyptic number.

It is an amenable number.

22565224 is an abundant number, since it is smaller than the sum of its proper divisors (23591096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22565224 is a wasteful number, since it uses less digits than its factorization.

22565224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256440 (or 256436 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 22565224 is about 4750.2867281881. The cubic root of 22565224 is about 282.5833372009.

The spelling of 22565224 in words is "twenty-two million, five hundred sixty-five thousand, two hundred twenty-four".