22563852 has 12 divisors (see below), whose sum is σ = 52649016. Its totient is φ = 7521280.

The previous prime is 22563847. The next prime is 22563859. The reversal of 22563852 is 25836522.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22563859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940149 + ... + 940172.

It is an arithmetic number, because the mean of its divisors is an integer number (4387418).

Almost surely, 2^22563852 is an apocalyptic number.

It is an amenable number.

22563852 is an abundant number, since it is smaller than the sum of its proper divisors (30085164).

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

22563852 is a wasteful number, since it uses less digits than its factorization.

22563852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880328 (or 1880326 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 22563852 is about 4750.1423136576. The cubic root of 22563852 is about 282.5776099190.

The spelling of 22563852 in words is "twenty-two million, five hundred sixty-three thousand, eight hundred fifty-two".