22551845204 has 24 divisors (see below), whose sum is σ = 45108053760. Its totient is φ = 9664141536.

The previous prime is 22551845179. The next prime is 22551845209. The reversal of 22551845204 is 40254815522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22551845209) 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, 310709 + ... + 376355.

It is an arithmetic number, because the mean of its divisors is an integer number (1879502240).

Almost surely, 2^22551845204 is an apocalyptic number.

It is an amenable number.

22551845204 is an abundant number, since it is smaller than the sum of its proper divisors (22556208556).

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

22551845204 is a wasteful number, since it uses less digits than its factorization.

22551845204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77927 (or 77925 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 38.

The spelling of 22551845204 in words is "twenty-two billion, five hundred fifty-one million, eight hundred forty-five thousand, two hundred four".