22531355253 has 16 divisors (see below), whose sum is σ = 36414312000. Its totient is φ = 13655366640.

The previous prime is 22531355167. The next prime is 22531355281. The reversal of 22531355253 is 35255313522.

22531355253 is a `hidden beast` number, since 2 + 2 + 53 + 1 + 3 + 552 + 53 = 666.

It is not a de Polignac number, because 22531355253 - 2⁸ = 22531354997 is a prime.

It is a super-3 number, since 3×22531355253³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22531355293) 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, 37931278 + ... + 37931871.

It is an arithmetic number, because the mean of its divisors is an integer number (2275894500).

Almost surely, 2^22531355253 is an apocalyptic number.

It is an amenable number.

22531355253 is a deficient number, since it is larger than the sum of its proper divisors (13882956747).

22531355253 is a wasteful number, since it uses less digits than its factorization.

22531355253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75863169 (or 75863163 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

Adding to 22531355253 its reverse (35255313522), we get a palindrome (57786668775).

The spelling of 22531355253 in words is "twenty-two billion, five hundred thirty-one million, three hundred fifty-five thousand, two hundred fifty-three".