22386945231 has 12 divisors (see below), whose sum is σ = 36956227152. Its totient is φ = 12792540096.

The previous prime is 22386945221. The next prime is 22386945233. The reversal of 22386945231 is 13254968322.

22386945231 is a `hidden beast` number, since 2 + 2 + 38 + 6 + 94 + 523 + 1 = 666.

It is not a de Polignac number, because 22386945231 - 2⁵ = 22386945199 is a prime.

It is a super-2 number, since 2×22386945231² (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 (22386945233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177674106 + ... + 177674231.

It is an arithmetic number, because the mean of its divisors is an integer number (3079685596).

Almost surely, 2^22386945231 is an apocalyptic number.

22386945231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22386945231 is a deficient number, since it is larger than the sum of its proper divisors (14569281921).

22386945231 is a wasteful number, since it uses less digits than its factorization.

22386945231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355348350 (or 355348347 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 22386945231 in words is "twenty-two billion, three hundred eighty-six million, nine hundred forty-five thousand, two hundred thirty-one".