22137707428 has 24 divisors (see below), whose sum is σ = 41271545952. Its totient is φ = 10353826944.

The previous prime is 22137707419. The next prime is 22137707477. The reversal of 22137707428 is 82470773122.

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, 987550 + ... + 1009717.

It is an arithmetic number, because the mean of its divisors is an integer number (1719647748).

Almost surely, 2^22137707428 is an apocalyptic number.

It is an amenable number.

22137707428 is a deficient number, since it is larger than the sum of its proper divisors (19133838524).

22137707428 is a wasteful number, since it uses less digits than its factorization.

22137707428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997451 (or 1997449 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 22137707428 in words is "twenty-two billion, one hundred thirty-seven million, seven hundred seven thousand, four hundred twenty-eight".