22172628160 has 28 divisors (see below), whose sum is σ = 52798571568. Its totient is φ = 8869051136.

The previous prime is 22172628157. The next prime is 22172628187. The reversal of 22172628160 is 6182627122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34644412 + ... + 34645051.

Almost surely, 2^22172628160 is an apocalyptic number.

22172628160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22172628160 is an abundant number, since it is smaller than the sum of its proper divisors (30625943408).

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

22172628160 is an equidigital number, since it uses as much as digits as its factorization.

22172628160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69289480 (or 69289470 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 22172628160 in words is "twenty-two billion, one hundred seventy-two million, six hundred twenty-eight thousand, one hundred sixty".