22584638648 has 64 divisors (see below), whose sum is σ = 52367817600. Its totient is φ = 8977322880.

The previous prime is 22584638627. The next prime is 22584638651. The reversal of 22584638648 is 84683648522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22584638593 and 22584638602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497786 + ... + 541257.

It is an arithmetic number, because the mean of its divisors is an integer number (818247150).

Almost surely, 2^22584638648 is an apocalyptic number.

It is an amenable number.

22584638648 is an abundant number, since it is smaller than the sum of its proper divisors (29783178952).

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

22584638648 is a wasteful number, since it uses less digits than its factorization.

22584638648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039092 (or 1039088 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 56.

The spelling of 22584638648 in words is "twenty-two billion, five hundred eighty-four million, six hundred thirty-eight thousand, six hundred forty-eight".