22122544131 has 12 divisors (see below), whose sum is σ = 31960960408. Its totient is φ = 14745513024.

The previous prime is 22122544111. The next prime is 22122544141. The reversal of 22122544131 is 13144522122.

22122544131 is a `hidden beast` number, since 2 + 21 + 225 + 4 + 413 + 1 = 666.

It is not a de Polignac number, because 22122544131 - 2⁵ = 22122544099 is a prime.

It is a super-2 number, since 2×22122544131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22122544095 and 22122544104.

It is not an unprimeable number, because it can be changed into a prime (22122544111) 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, 187765 + ... + 281958.

Almost surely, 2^22122544131 is an apocalyptic number.

22122544131 is a deficient number, since it is larger than the sum of its proper divisors (9838416277).

22122544131 is a wasteful number, since it uses less digits than its factorization.

22122544131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474962 (or 474959 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

It can be divided in two parts, 221225 and 44131, that added together give a triangular number (265356 = T₇₂₈).

The spelling of 22122544131 in words is "twenty-two billion, one hundred twenty-two million, five hundred forty-four thousand, one hundred thirty-one".