22640316021 has 32 divisors (see below), whose sum is σ = 34514640000. Its totient is φ = 14657086080.

The previous prime is 22640316019. The next prime is 22640316029. The reversal of 22640316021 is 12061304622.

22640316021 is a `hidden beast` number, since 2 + 2 + 640 + 3 + 16 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 22640316021 - 2¹ = 22640316019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640316029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498730 + ... + 542228.

It is an arithmetic number, because the mean of its divisors is an integer number (1078582500).

Almost surely, 2^22640316021 is an apocalyptic number.

It is an amenable number.

22640316021 is a deficient number, since it is larger than the sum of its proper divisors (11874323979).

22640316021 is a wasteful number, since it uses less digits than its factorization.

22640316021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44066 (or 44060 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 22640316021 in words is "twenty-two billion, six hundred forty million, three hundred sixteen thousand, twenty-one".