22137256272 has 80 divisors (see below), whose sum is σ = 57467250432. Its totient is φ = 7343132160.

The previous prime is 22137256249. The next prime is 22137256279. The reversal of 22137256272 is 27265273122.

It is a self number, because there is not a number n which added to its sum of digits gives 22137256272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22137256279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13860978 + ... + 13862574.

Almost surely, 2^22137256272 is an apocalyptic number.

It is an amenable number.

22137256272 is an abundant number, since it is smaller than the sum of its proper divisors (35329994160).

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

22137256272 is a wasteful number, since it uses less digits than its factorization.

22137256272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2830 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The spelling of 22137256272 in words is "twenty-two billion, one hundred thirty-seven million, two hundred fifty-six thousand, two hundred seventy-two".