222172434756 has 36 divisors (see below), whose sum is σ = 562705934700. Its totient is φ = 73911976128.

The previous prime is 222172434727. The next prime is 222172434769. The reversal of 222172434756 is 657434271222.

222172434756 is a `hidden beast` number, since 2 + 2 + 2 + 172 + 4 + 3 + 475 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 184741793856 + 37430640900 = 429816^2 + 193470^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6044011 + ... + 6080658.

Almost surely, 2^222172434756 is an apocalyptic number.

It is an amenable number.

222172434756 is an abundant number, since it is smaller than the sum of its proper divisors (340533499944).

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

222172434756 is a wasteful number, since it uses less digits than its factorization.

222172434756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125188 (or 12125183 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 222172434756 in words is "two hundred twenty-two billion, one hundred seventy-two million, four hundred thirty-four thousand, seven hundred fifty-six".