22503857892 has 48 divisors (see below), whose sum is σ = 55609838592. Its totient is φ = 7068045600.

The previous prime is 22503857891. The next prime is 22503857917. The reversal of 22503857892 is 29875830522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22503857891) 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, 589984 + ... + 626967.

It is an arithmetic number, because the mean of its divisors is an integer number (1158538304).

Almost surely, 2^22503857892 is an apocalyptic number.

It is an amenable number.

22503857892 is an abundant number, since it is smaller than the sum of its proper divisors (33105980700).

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

22503857892 is a wasteful number, since it uses less digits than its factorization.

22503857892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217048 (or 1217046 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 22503857892 in words is "twenty-two billion, five hundred three million, eight hundred fifty-seven thousand, eight hundred ninety-two".