22872945231 has 12 divisors (see below), whose sum is σ = 33074274480. Its totient is φ = 15232210560.

The previous prime is 22872945229. The next prime is 22872945269. The reversal of 22872945231 is 13254927822.

22872945231 is a `hidden beast` number, since 2 + 287 + 294 + 52 + 31 = 666.

It is not a de Polignac number, because 22872945231 - 2¹ = 22872945229 is a prime.

It is a super-2 number, since 2×22872945231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22872945031) 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 11 ways as a sum of consecutive naturals, for example, 1359475 + ... + 1376196.

It is an arithmetic number, because the mean of its divisors is an integer number (2756189540).

Almost surely, 2^22872945231 is an apocalyptic number.

22872945231 is a deficient number, since it is larger than the sum of its proper divisors (10201329249).

22872945231 is a wasteful number, since it uses less digits than its factorization.

22872945231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736606 (or 2736603 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 22872945231 in words is "twenty-two billion, eight hundred seventy-two million, nine hundred forty-five thousand, two hundred thirty-one".