22684384639 has 64 divisors (see below), whose sum is σ = 30245529600. Its totient is φ = 16531181568.

The previous prime is 22684384627. The next prime is 22684384651. The reversal of 22684384639 is 93648348622.

It is an interprime number because it is at equal distance from previous prime (22684384627) and next prime (22684384651).

It is a cyclic number.

It is not a de Polignac number, because 22684384639 - 2¹⁵ = 22684351871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22684384639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22684384609) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26469099 + ... + 26469955.

It is an arithmetic number, because the mean of its divisors is an integer number (472586400).

Almost surely, 2^22684384639 is an apocalyptic number.

22684384639 is a deficient number, since it is larger than the sum of its proper divisors (7561144961).

22684384639 is a wasteful number, since it uses less digits than its factorization.

22684384639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its digits is 11943936, while the sum is 55.

The spelling of 22684384639 in words is "twenty-two billion, six hundred eighty-four million, three hundred eighty-four thousand, six hundred thirty-nine".