22564361008 has 40 divisors (see below), whose sum is σ = 50013227520. Its totient is φ = 9660901440.

The previous prime is 22564360991. The next prime is 22564361009. The reversal of 22564361008 is 80016346522.

It is not an unprimeable number, because it can be changed into a prime (22564361009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15273 + ... + 212983.

It is an arithmetic number, because the mean of its divisors is an integer number (1250330688).

Almost surely, 2^22564361008 is an apocalyptic number.

22564361008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22564361008 is an abundant number, since it is smaller than the sum of its proper divisors (27448866512).

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

22564361008 is a wasteful number, since it uses less digits than its factorization.

22564361008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198745 (or 198739 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 22564361008 in words is "twenty-two billion, five hundred sixty-four million, three hundred sixty-one thousand, eight".