22840117731 has 24 divisors (see below), whose sum is σ = 34479095040. Its totient is φ = 14542116336.

The previous prime is 22840117709. The next prime is 22840117733. The reversal of 22840117731 is 13771104822.

It is not a de Polignac number, because 22840117731 - 2¹⁸ = 22839855587 is a prime.

It is a super-2 number, since 2×22840117731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22840117733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48660 + ... + 219198.

It is an arithmetic number, because the mean of its divisors is an integer number (1436628960).

Almost surely, 2^22840117731 is an apocalyptic number.

22840117731 is a deficient number, since it is larger than the sum of its proper divisors (11638977309).

22840117731 is a wasteful number, since it uses less digits than its factorization.

22840117731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171215 (or 171212 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 22840117731 in words is "twenty-two billion, eight hundred forty million, one hundred seventeen thousand, seven hundred thirty-one".