22638666048 has 56 divisors (see below), whose sum is σ = 59956647168. Its totient is φ = 7538850816.

The previous prime is 22638666013. The next prime is 22638666073. The reversal of 22638666048 is 84066683622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141265 + ... + 255407.

Almost surely, 2^22638666048 is an apocalyptic number.

It is an amenable number.

22638666048 is an abundant number, since it is smaller than the sum of its proper divisors (37317981120).

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

22638666048 is a wasteful number, since it uses less digits than its factorization.

22638666048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115191 (or 115181 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 22638666048 in words is "twenty-two billion, six hundred thirty-eight million, six hundred sixty-six thousand, forty-eight".