22132320131 has 4 divisors (see below), whose sum is σ = 22137954264. Its totient is φ = 22126686000.

The previous prime is 22132320113. The next prime is 22132320157. The reversal of 22132320131 is 13102323122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22132320131 - 2¹⁴ = 22132303747 is a prime.

It is a super-2 number, since 2×22132320131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22132326131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811170 + ... + 2819031.

It is an arithmetic number, because the mean of its divisors is an integer number (5534488566).

Almost surely, 2^22132320131 is an apocalyptic number.

22132320131 is a deficient number, since it is larger than the sum of its proper divisors (5634133).

22132320131 is an equidigital number, since it uses as much as digits as its factorization.

22132320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634132.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22132320131 its reverse (13102323122), we get a palindrome (35234643253).

The spelling of 22132320131 in words is "twenty-two billion, one hundred thirty-two million, three hundred twenty thousand, one hundred thirty-one".