22452863772 has 48 divisors (see below), whose sum is σ = 53822078240. Its totient is φ = 7279828992.

The previous prime is 22452863761. The next prime is 22452863777. The reversal of 22452863772 is 27736825422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452863777) 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, 2201148 + ... + 2211324.

Almost surely, 2^22452863772 is an apocalyptic number.

It is an amenable number.

22452863772 is an abundant number, since it is smaller than the sum of its proper divisors (31369214468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22452863772 is a wasteful number, since it uses less digits than its factorization.

22452863772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190 (or 15188 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 48.

The spelling of 22452863772 in words is "twenty-two billion, four hundred fifty-two million, eight hundred sixty-three thousand, seven hundred seventy-two".