22644648027 has 24 divisors (see below), whose sum is σ = 33830609280. Its totient is φ = 14580656640.

The previous prime is 22644647911. The next prime is 22644648031. The reversal of 22644648027 is 72084644622.

It is not a de Polignac number, because 22644648027 - 2⁷ = 22644647899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22644648727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62283 + ... + 221739.

It is an arithmetic number, because the mean of its divisors is an integer number (1409608720).

Almost surely, 2^22644648027 is an apocalyptic number.

22644648027 is a deficient number, since it is larger than the sum of its proper divisors (11185961253).

22644648027 is a wasteful number, since it uses less digits than its factorization.

22644648027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160003 (or 160000 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 22644648027 in words is "twenty-two billion, six hundred forty-four million, six hundred forty-eight thousand, twenty-seven".