22563232 has 24 divisors (see below), whose sum is σ = 45051552. Its totient is φ = 11121600.

The previous prime is 22563221. The next prime is 22563251. The reversal of 22563232 is 23236522.

It is a junction number, because it is equal to n+sod(n) for n = 22563197 and 22563206.

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, 2694 + ... + 7237.

It is an arithmetic number, because the mean of its divisors is an integer number (1877148).

Almost surely, 2^22563232 is an apocalyptic number.

It is an amenable number.

22563232 is a deficient number, since it is larger than the sum of its proper divisors (22488320).

22563232 is an equidigital number, since it uses as much as digits as its factorization.

22563232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012 (or 10004 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 22563232 is about 4750.0770520066. The cubic root of 22563232 is about 282.5750217125.

Adding to 22563232 its reverse (23236522), we get a palindrome (45799754).

The spelling of 22563232 in words is "twenty-two million, five hundred sixty-three thousand, two hundred thirty-two".