22202112131 has 4 divisors (see below), whose sum is σ = 22209459552. Its totient is φ = 22194764712.

The previous prime is 22202112109. The next prime is 22202112157. The reversal of 22202112131 is 13121120222.

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 22202112131 - 2¹⁸ = 22201849987 is a prime.

It is a super-2 number, since 2×22202112131² (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 (22202112431) 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, 3669176 + ... + 3675221.

It is an arithmetic number, because the mean of its divisors is an integer number (5552364888).

Almost surely, 2^22202112131 is an apocalyptic number.

22202112131 is a deficient number, since it is larger than the sum of its proper divisors (7347421).

22202112131 is an equidigital number, since it uses as much as digits as its factorization.

22202112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347420.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22202112131 its reverse (13121120222), we get a palindrome (35323232353).

The spelling of 22202112131 in words is "twenty-two billion, two hundred two million, one hundred twelve thousand, one hundred thirty-one".