372220220172 has 24 divisors (see below), whose sum is σ = 868589568000. Its totient is φ = 124062589456.

The previous prime is 372220220153. The next prime is 372220220189. The reversal of 372220220172 is 271022022273.

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, 1208172 + ... + 1484627.

It is an arithmetic number, because the mean of its divisors is an integer number (36191232000).

Almost surely, 2^372220220172 is an apocalyptic number.

It is an amenable number.

372220220172 is an abundant number, since it is smaller than the sum of its proper divisors (496369347828).

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

372220220172 is a wasteful number, since it uses less digits than its factorization.

372220220172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704325 (or 2704323 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The spelling of 372220220172 in words is "three hundred seventy-two billion, two hundred twenty million, two hundred twenty thousand, one hundred seventy-two".