22034172720 has 80 divisors (see below), whose sum is σ = 78063932160. Its totient is φ = 5036381952.

The previous prime is 22034172709. The next prime is 22034172733. The reversal of 22034172720 is 2727143022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6556110 + ... + 6559469.

It is an arithmetic number, because the mean of its divisors is an integer number (975799152).

Almost surely, 2^22034172720 is an apocalyptic number.

22034172720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22034172720 is an abundant number, since it is smaller than the sum of its proper divisors (56029759440).

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

22034172720 is a wasteful number, since it uses less digits than its factorization.

22034172720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115602 (or 13115596 counting only the distinct ones).

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

The spelling of 22034172720 in words is "twenty-two billion, thirty-four million, one hundred seventy-two thousand, seven hundred twenty".