22002232131 has 48 divisors (see below), whose sum is σ = 35690054400. Its totient is φ = 12946167360.

The previous prime is 22002232117. The next prime is 22002232139. The reversal of 22002232131 is 13123220022.

It is not a de Polignac number, because 22002232131 - 2¹⁷ = 22002101059 is a prime.

It is a super-2 number, since 2×22002232131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22002232139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 695445 + ... + 726393.

It is an arithmetic number, because the mean of its divisors is an integer number (743542800).

Almost surely, 2^22002232131 is an apocalyptic number.

22002232131 is a deficient number, since it is larger than the sum of its proper divisors (13687822269).

22002232131 is a wasteful number, since it uses less digits than its factorization.

22002232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31176 (or 31173 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22002232131 its reverse (13123220022), we get a palindrome (35125452153).

The spelling of 22002232131 in words is "twenty-two billion, two million, two hundred thirty-two thousand, one hundred thirty-one".