22172992916 has 24 divisors (see below), whose sum is σ = 40081816320. Its totient is φ = 10721534400.

The previous prime is 22172992903. The next prime is 22172992937. The reversal of 22172992916 is 61929927122.

It is a super-2 number, since 2×22172992916² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 123275 + ... + 244013.

It is an arithmetic number, because the mean of its divisors is an integer number (1670075680).

Almost surely, 2^22172992916 is an apocalyptic number.

It is an amenable number.

22172992916 is a deficient number, since it is larger than the sum of its proper divisors (17908823404).

22172992916 is a wasteful number, since it uses less digits than its factorization.

22172992916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122255 (or 122253 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The spelling of 22172992916 in words is "twenty-two billion, one hundred seventy-two million, nine hundred ninety-two thousand, nine hundred sixteen".