22254646488 has 32 divisors (see below), whose sum is σ = 55944011760. Its totient is φ = 7377229440.

The previous prime is 22254646441. The next prime is 22254646543. The reversal of 22254646488 is 88464645222.

It is a self number, because there is not a number n which added to its sum of digits gives 22254646488.

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, 2557195 + ... + 2565882.

Almost surely, 2^22254646488 is an apocalyptic number.

It is an amenable number.

22254646488 is an abundant number, since it is smaller than the sum of its proper divisors (33689365272).

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

22254646488 is a wasteful number, since it uses less digits than its factorization.

22254646488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123267 (or 5123263 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 51.

The spelling of 22254646488 in words is "twenty-two billion, two hundred fifty-four million, six hundred forty-six thousand, four hundred eighty-eight".