22154535572372 has 72 divisors (see below), whose sum is σ = 45135394295040. Its totient is φ = 9487416556800.

The previous prime is 22154535572369. The next prime is 22154535572441. The reversal of 22154535572372 is 27327553545122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2531074748 + ... + 2531083500.

It is an arithmetic number, because the mean of its divisors is an integer number (626880476320).

Almost surely, 2^{22154535572372} is an apocalyptic number.

It is an amenable number.

22154535572372 is an abundant number, since it is smaller than the sum of its proper divisors (22980858722668).

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

22154535572372 is a wasteful number, since it uses less digits than its factorization.

22154535572372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17341 (or 17332 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 53.

The spelling of 22154535572372 in words is "twenty-two trillion, one hundred fifty-four billion, five hundred thirty-five million, five hundred seventy-two thousand, three hundred seventy-two".