22202013131 has 4 divisors (see below), whose sum is σ = 22301573952. Its totient is φ = 22102452312.

The previous prime is 22202013109. The next prime is 22202013149. The reversal of 22202013131 is 13131020222.

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 22202013131 - 2²² = 22197818827 is a prime.

It is a super-2 number, since 2×22202013131² (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 (22202013151) 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, 49780076 + ... + 49780521.

It is an arithmetic number, because the mean of its divisors is an integer number (5575393488).

Almost surely, 2^22202013131 is an apocalyptic number.

22202013131 is a deficient number, since it is larger than the sum of its proper divisors (99560821).

22202013131 is an equidigital number, since it uses as much as digits as its factorization.

22202013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99560820.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22202013131 its reverse (13131020222), we get a palindrome (35333033353).

The spelling of 22202013131 in words is "twenty-two billion, two hundred two million, thirteen thousand, one hundred thirty-one".