22508866008 has 128 divisors (see below), whose sum is σ = 63560524800. Its totient is φ = 7379019648.

The previous prime is 22508866001. The next prime is 22508866019. The reversal of 22508866008 is 80066880522.

22508866008 is a `hidden beast` number, since 2 + 2 + 508 + 86 + 60 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22508866001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15817185 + ... + 15818607.

It is an arithmetic number, because the mean of its divisors is an integer number (496566600).

Almost surely, 2^22508866008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22508866008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31780262400).

22508866008 is an abundant number, since it is smaller than the sum of its proper divisors (41051658792).

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

22508866008 is a wasteful number, since it uses less digits than its factorization.

22508866008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 22508866008 in words is "twenty-two billion, five hundred eight million, eight hundred sixty-six thousand, eight".