22485569985 has 24 divisors (see below), whose sum is σ = 39319908264. Its totient is φ = 11886174720.

The previous prime is 22485569947. The next prime is 22485570031. The reversal of 22485569985 is 58996558422.

22485569985 is a `hidden beast` number, since 2 + 2 + 485 + 5 + 69 + 98 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 678550401 + 21807019584 = 26049^2 + 147672^2 .

It is not a de Polignac number, because 22485569985 - 2⁶ = 22485569921 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2205886 + ... + 2216055.

It is an arithmetic number, because the mean of its divisors is an integer number (1638329511).

Almost surely, 2^22485569985 is an apocalyptic number.

It is an amenable number.

22485569985 is a deficient number, since it is larger than the sum of its proper divisors (16834338279).

22485569985 is a wasteful number, since it uses less digits than its factorization.

22485569985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422065 (or 4422062 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 63.

The spelling of 22485569985 in words is "twenty-two billion, four hundred eighty-five million, five hundred sixty-nine thousand, nine hundred eighty-five".