22537105944 has 32 divisors (see below), whose sum is σ = 56543289840. Its totient is φ = 7485632000.

The previous prime is 22537105931. The next prime is 22537105993. The reversal of 22537105944 is 44950173522.

It is a happy number.

It is a super-2 number, since 2×22537105944² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22537105896 and 22537105905.

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 7 ways as a sum of consecutive naturals, for example, 1664157 + ... + 1677644.

Almost surely, 2^22537105944 is an apocalyptic number.

22537105944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22537105944 is an abundant number, since it is smaller than the sum of its proper divisors (34006183896).

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

22537105944 is a wasteful number, since it uses less digits than its factorization.

22537105944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342091 (or 3342087 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 22537105944 in words is "twenty-two billion, five hundred thirty-seven million, one hundred five thousand, nine hundred forty-four".