22092591078 has 20 divisors (see below), whose sum is σ = 49503769260. Its totient is φ = 7364196972.

The previous prime is 22092591019. The next prime is 22092591089. The reversal of 22092591078 is 87019529022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68186848 + ... + 68187171.

It is an arithmetic number, because the mean of its divisors is an integer number (2475188463).

Almost surely, 2^22092591078 is an apocalyptic number.

22092591078 is an abundant number, since it is smaller than the sum of its proper divisors (27411178182).

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

22092591078 is a wasteful number, since it uses less digits than its factorization.

22092591078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136374033 (or 136374024 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 22092591078 in words is "twenty-two billion, ninety-two million, five hundred ninety-one thousand, seventy-eight".