222798089576538 has 48 divisors (see below), whose sum is σ = 561041194109760. Its totient is φ = 62577671646528.

The previous prime is 222798089576521. The next prime is 222798089576567. The reversal of 222798089576538 is 835675980897222.

222798089576538 is a `hidden beast` number, since 2 + 2 + 2 + 7 + 9 + 8 + 0 + 8 + 9 + 5 + 76 + 538 = 666.

It is a hoax number, since the sum of its digits (81) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14985067195 + ... + 14985082062.

It is an arithmetic number, because the mean of its divisors is an integer number (11688358210620).

Almost surely, 2^{222798089576538} is an apocalyptic number.

222798089576538 is an abundant number, since it is smaller than the sum of its proper divisors (338243104533222).

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

222798089576538 is a wasteful number, since it uses less digits than its factorization.

222798089576538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29970149331 (or 29970149328 counting only the distinct ones).

The product of its (nonzero) digits is 7315660800, while the sum is 81.

The spelling of 222798089576538 in words is "two hundred twenty-two trillion, seven hundred ninety-eight billion, eighty-nine million, five hundred seventy-six thousand, five hundred thirty-eight".