22023872253 has 6 divisors (see below), whose sum is σ = 31812259934. Its totient is φ = 14682581496.

The previous prime is 22023872251. The next prime is 22023872291. The reversal of 22023872253 is 35227832022.

It is a happy number.

22023872253 is a `hidden beast` number, since 2 + 20 + 2 + 387 + 2 + 253 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17129050884 + 4894821369 = 130878^2 + 69963^2 .

It is not a de Polignac number, because 22023872253 - 2¹ = 22023872251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023872251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223548450 + ... + 1223548467.

Almost surely, 2^22023872253 is an apocalyptic number.

It is an amenable number.

22023872253 is a deficient number, since it is larger than the sum of its proper divisors (9788387681).

22023872253 is a wasteful number, since it uses less digits than its factorization.

22023872253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447096923 (or 2447096920 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 22023872253 in words is "twenty-two billion, twenty-three million, eight hundred seventy-two thousand, two hundred fifty-three".