22641535564 has 24 divisors (see below), whose sum is σ = 40575124800. Its totient is φ = 11051863680.

The previous prime is 22641535549. The next prime is 22641535583. The reversal of 22641535564 is 46553514622.

It is a self number, because there is not a number n which added to its sum of digits gives 22641535564.

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, 374407 + ... + 430654.

It is an arithmetic number, because the mean of its divisors is an integer number (1690630200).

Almost surely, 2^22641535564 is an apocalyptic number.

It is an amenable number.

22641535564 is a deficient number, since it is larger than the sum of its proper divisors (17933589236).

22641535564 is a wasteful number, since it uses less digits than its factorization.

22641535564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805233 (or 805231 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The spelling of 22641535564 in words is "twenty-two billion, six hundred forty-one million, five hundred thirty-five thousand, five hundred sixty-four".