22530234231 has 12 divisors (see below), whose sum is σ = 32595254640. Its totient is φ = 14996348640.

The previous prime is 22530234203. The next prime is 22530234277. The reversal of 22530234231 is 13243203522.

It is not a de Polignac number, because 22530234231 - 2¹⁰ = 22530233207 is a prime.

It is a super-2 number, since 2×22530234231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22530234195 and 22530234204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530236231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1977966 + ... + 1989323.

It is an arithmetic number, because the mean of its divisors is an integer number (2716271220).

Almost surely, 2^22530234231 is an apocalyptic number.

22530234231 is a deficient number, since it is larger than the sum of its proper divisors (10065020409).

22530234231 is a wasteful number, since it uses less digits than its factorization.

22530234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967926 (or 3967923 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 22530234231 its reverse (13243203522), we get a palindrome (35773437753).

The spelling of 22530234231 in words is "twenty-two billion, five hundred thirty million, two hundred thirty-four thousand, two hundred thirty-one".