22403220131 has 4 divisors (see below), whose sum is σ = 23582337000. Its totient is φ = 21224103264.

The previous prime is 22403220113. The next prime is 22403220137. The reversal of 22403220131 is 13102230422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22403220131 is a prime.

It is a super-2 number, since 2×22403220131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22403220137) 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, 589558406 + ... + 589558443.

It is an arithmetic number, because the mean of its divisors is an integer number (5895584250).

Almost surely, 2^22403220131 is an apocalyptic number.

22403220131 is a deficient number, since it is larger than the sum of its proper divisors (1179116869).

22403220131 is a wasteful number, since it uses less digits than its factorization.

22403220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179116868.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22403220131 its reverse (13102230422), we get a palindrome (35505450553).

The spelling of 22403220131 in words is "twenty-two billion, four hundred three million, two hundred twenty thousand, one hundred thirty-one".