22685666972 has 12 divisors (see below), whose sum is σ = 39751280856. Its totient is φ = 11328158160.

The previous prime is 22685666963. The next prime is 22685667013. The reversal of 22685666972 is 27966658622.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3665354 + ... + 3671537.

It is an arithmetic number, because the mean of its divisors is an integer number (3312606738).

Almost surely, 2^22685666972 is an apocalyptic number.

It is an amenable number.

22685666972 is a deficient number, since it is larger than the sum of its proper divisors (17065613884).

22685666972 is a wasteful number, since it uses less digits than its factorization.

22685666972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337668 (or 7337666 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 59.

The spelling of 22685666972 in words is "twenty-two billion, six hundred eighty-five million, six hundred sixty-six thousand, nine hundred seventy-two".