22575550720 has 72 divisors (see below), whose sum is σ = 56921639040. Its totient is φ = 8554936320.

The previous prime is 22575550717. The next prime is 22575550771. The reversal of 22575550720 is 2705557522.

It is a super-2 number, since 2×22575550720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439816 + ... + 488455.

It is an arithmetic number, because the mean of its divisors is an integer number (790578320).

Almost surely, 2^22575550720 is an apocalyptic number.

22575550720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22575550720 is an abundant number, since it is smaller than the sum of its proper divisors (34346088320).

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

22575550720 is an equidigital number, since it uses as much as digits as its factorization.

22575550720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928311 (or 928297 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 40.

The spelling of 22575550720 in words is "twenty-two billion, five hundred seventy-five million, five hundred fifty thousand, seven hundred twenty".