22134620172 has 48 divisors (see below), whose sum is σ = 59037520640. Its totient is φ = 6322905792.

The previous prime is 22134620159. The next prime is 22134620173. The reversal of 22134620172 is 27102643122.

It is not an unprimeable number, because it can be changed into a prime (22134620173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443079 + ... + 490497.

Almost surely, 2^22134620172 is an apocalyptic number.

It is an amenable number.

22134620172 is an abundant number, since it is smaller than the sum of its proper divisors (36902900468).

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

22134620172 is a wasteful number, since it uses less digits than its factorization.

22134620172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52990 (or 52988 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 22134620172 in words is "twenty-two billion, one hundred thirty-four million, six hundred twenty thousand, one hundred seventy-two".