22705620804 has 36 divisors (see below), whose sum is σ = 57413197296. Its totient is φ = 7566109488.

The previous prime is 22705620779. The next prime is 22705620809. The reversal of 22705620804 is 40802650722.

22705620804 is a `hidden beast` number, since 2 + 27 + 0 + 5 + 620 + 8 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22705620809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14167 + ... + 213569.

It is an arithmetic number, because the mean of its divisors is an integer number (1594811036).

Almost surely, 2^22705620804 is an apocalyptic number.

It is an amenable number.

22705620804 is an abundant number, since it is smaller than the sum of its proper divisors (34707576492).

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

22705620804 is a wasteful number, since it uses less digits than its factorization.

22705620804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202576 (or 202571 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 22705620804 in words is "twenty-two billion, seven hundred five million, six hundred twenty thousand, eight hundred four".