22131023240233 has 16 divisors (see below), whose sum is σ = 22606294410000. Its totient is φ = 21660683074560.

The previous prime is 22131023240197. The next prime is 22131023240237. The reversal of 22131023240233 is 33204232013122.

It can be written as a sum of positive squares in 8 ways, for example, as 229774505104 + 21901248735129 = 479348^2 + 4679877^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131023240233 - 2²¹ = 22131021143081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131023240237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10440163 + ... + 12379783.

It is an arithmetic number, because the mean of its divisors is an integer number (1412893400625).

Almost surely, 2^{22131023240233} is an apocalyptic number.

It is an amenable number.

22131023240233 is a deficient number, since it is larger than the sum of its proper divisors (475271169767).

22131023240233 is a wasteful number, since it uses less digits than its factorization.

22131023240233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940892.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 22131023240233 its reverse (33204232013122), we get a palindrome (55335255253355).

The spelling of 22131023240233 in words is "twenty-two trillion, one hundred thirty-one billion, twenty-three million, two hundred forty thousand, two hundred thirty-three".