22647274432 has 28 divisors (see below), whose sum is σ = 45404003680. Its totient is φ = 11206895616.

The previous prime is 22647274417. The next prime is 22647274439. The reversal of 22647274432 is 23447274622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22647274439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1817832 + ... + 1830247.

It is an arithmetic number, because the mean of its divisors is an integer number (1621571560).

Almost surely, 2^22647274432 is an apocalyptic number.

It is an amenable number.

22647274432 is an abundant number, since it is smaller than the sum of its proper divisors (22756729248).

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

22647274432 is an equidigital number, since it uses as much as digits as its factorization.

22647274432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648188 (or 3648178 counting only the distinct ones).

The product of its digits is 903168, while the sum is 43.

The spelling of 22647274432 in words is "twenty-two billion, six hundred forty-seven million, two hundred seventy-four thousand, four hundred thirty-two".