22727428428 has 48 divisors (see below), whose sum is σ = 53930612736. Its totient is φ = 7447916160.

The previous prime is 22727428397. The next prime is 22727428433. The reversal of 22727428428 is 82482472722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230725 + ... + 314147.

It is an arithmetic number, because the mean of its divisors is an integer number (1123554432).

Almost surely, 2^22727428428 is an apocalyptic number.

It is an amenable number.

22727428428 is an abundant number, since it is smaller than the sum of its proper divisors (31203184308).

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

22727428428 is a wasteful number, since it uses less digits than its factorization.

22727428428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83814 (or 83812 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 48.

The spelling of 22727428428 in words is "twenty-two billion, seven hundred twenty-seven million, four hundred twenty-eight thousand, four hundred twenty-eight".