22500575220 has 24 divisors (see below), whose sum is σ = 63001610784. Its totient is φ = 6000153376.

The previous prime is 22500575203. The next prime is 22500575353. The reversal of 22500575220 is 2257500522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187504734 + ... + 187504853.

It is an arithmetic number, because the mean of its divisors is an integer number (2625067116).

Almost surely, 2^22500575220 is an apocalyptic number.

22500575220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22500575220 is an abundant number, since it is smaller than the sum of its proper divisors (40501035564).

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

22500575220 is a wasteful number, since it uses less digits than its factorization.

22500575220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375009599 (or 375009597 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The spelling of 22500575220 in words is "twenty-two billion, five hundred million, five hundred seventy-five thousand, two hundred twenty".