22137138612772 has 24 divisors (see below), whose sum is σ = 39008674261760. Its totient is φ = 10991848694400.

The previous prime is 22137138612769. The next prime is 22137138612779. The reversal of 22137138612772 is 27721683173122.

It is a super-2 number, since 2×22137138612772² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22137138612779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753372 + ... + 7639507.

Almost surely, 2^{22137138612772} is an apocalyptic number.

It is an amenable number.

22137138612772 is a deficient number, since it is larger than the sum of its proper divisors (16871535648988).

22137138612772 is a wasteful number, since it uses less digits than its factorization.

22137138612772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396251 (or 11396249 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 52.

The spelling of 22137138612772 in words is "twenty-two trillion, one hundred thirty-seven billion, one hundred thirty-eight million, six hundred twelve thousand, seven hundred seventy-two".