22122330131 has 4 divisors (see below), whose sum is σ = 24133451064. Its totient is φ = 20111209200.

The previous prime is 22122330121. The next prime is 22122330137. The reversal of 22122330131 is 13103322122.

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 22122330131 - 2¹⁰ = 22122329107 is a prime.

It is a super-2 number, since 2×22122330131² (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 (22122330137) 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, 1005560450 + ... + 1005560471.

It is an arithmetic number, because the mean of its divisors is an integer number (6033362766).

Almost surely, 2^22122330131 is an apocalyptic number.

22122330131 is a deficient number, since it is larger than the sum of its proper divisors (2011120933).

22122330131 is a wasteful number, since it uses less digits than its factorization.

22122330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011120932.

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

Adding to 22122330131 its reverse (13103322122), we get a palindrome (35225652253).

It can be divided in two parts, 22122 and 330131, that added together give a palindrome (352253).

The spelling of 22122330131 in words is "twenty-two billion, one hundred twenty-two million, three hundred thirty thousand, one hundred thirty-one".