22815794880 has 168 divisors, whose sum is σ = 81383654352. Its totient is φ = 6084191232.

The previous prime is 22815794867. The next prime is 22815794887. The reversal of 22815794880 is 8849751822.

22815794880 is a `hidden beast` number, since 2 + 2 + 8 + 157 + 9 + 488 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (22815794887) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 68947 + ... + 224466.

It is an arithmetic number, because the mean of its divisors is an integer number (484426514).

Almost surely, 2^22815794880 is an apocalyptic number.

22815794880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22815794880 is an abundant number, since it is smaller than the sum of its proper divisors (58567859472).

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

22815794880 is an equidigital number, since it uses as much as digits as its factorization.

22815794880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293445 (or 293423 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 22815794880 in words is "twenty-two billion, eight hundred fifteen million, seven hundred ninety-four thousand, eight hundred eighty".