22122133131 has 32 divisors (see below), whose sum is σ = 34301329920. Its totient is φ = 12419691264.

The previous prime is 22122133127. The next prime is 22122133141. The reversal of 22122133131 is 13133122122.

It is not a de Polignac number, because 22122133131 - 2² = 22122133127 is a prime.

It is a super-2 number, since 2×22122133131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22122133098 and 22122133107.

It is not an unprimeable number, because it can be changed into a prime (22122133141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2663421 + ... + 2671713.

It is an arithmetic number, because the mean of its divisors is an integer number (1071916560).

Almost surely, 2^22122133131 is an apocalyptic number.

22122133131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22122133131 is a deficient number, since it is larger than the sum of its proper divisors (12179196789).

22122133131 is a wasteful number, since it uses less digits than its factorization.

22122133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10515.

The product of its digits is 432, while the sum is 21.

Adding to 22122133131 its reverse (13133122122), we get a palindrome (35255255253).

The spelling of 22122133131 in words is "twenty-two billion, one hundred twenty-two million, one hundred thirty-three thousand, one hundred thirty-one".