22523553140 has 48 divisors (see below), whose sum is σ = 51612954624. Its totient is φ = 8188233600.

The previous prime is 22523553139. The next prime is 22523553167. The reversal of 22523553140 is 4135532522.

It is a junction number, because it is equal to n+sod(n) for n = 22523553097 and 22523553106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000205 + ... + 1022475.

It is an arithmetic number, because the mean of its divisors is an integer number (1075269888).

Almost surely, 2^22523553140 is an apocalyptic number.

22523553140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22523553140 is an abundant number, since it is smaller than the sum of its proper divisors (29089401484).

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

22523553140 is a wasteful number, since it uses less digits than its factorization.

22523553140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26888 (or 26886 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 22523553140 in words is "twenty-two billion, five hundred twenty-three million, five hundred fifty-three thousand, one hundred forty".