22615731166 has 12 divisors (see below), whose sum is σ = 39462143328. Its totient is φ = 9692456172.

The previous prime is 22615731163. The next prime is 22615731169. The reversal of 22615731166 is 66113751622.

It is an interprime number because it is at equal distance from previous prime (22615731163) and next prime (22615731169).

It is a super-2 number, since 2×22615731166² (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 (22615731163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115386286 + ... + 115386481.

It is an arithmetic number, because the mean of its divisors is an integer number (3288511944).

Almost surely, 2^22615731166 is an apocalyptic number.

22615731166 is a deficient number, since it is larger than the sum of its proper divisors (16846412162).

22615731166 is a wasteful number, since it uses less digits than its factorization.

22615731166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230772783 (or 230772776 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 22615731166 in words is "twenty-two billion, six hundred fifteen million, seven hundred thirty-one thousand, one hundred sixty-six".