22647906688 has 64 divisors (see below), whose sum is σ = 50421223440. Its totient is φ = 10043392000.

The previous prime is 22647906683. The next prime is 22647906703. The reversal of 22647906688 is 88660974622.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22647906683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138433 + ... + 253888.

Almost surely, 2^22647906688 is an apocalyptic number.

It is an amenable number.

22647906688 is an abundant number, since it is smaller than the sum of its proper divisors (27773316752).

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

22647906688 is a wasteful number, since it uses less digits than its factorization.

22647906688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392387 (or 392375 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 22647906688 in words is "twenty-two billion, six hundred forty-seven million, nine hundred six thousand, six hundred eighty-eight".