22620022664 has 16 divisors (see below), whose sum is σ = 42717670800. Its totient is φ = 11228643792.

The previous prime is 22620022661. The next prime is 22620022669. The reversal of 22620022664 is 46622002622.

It is a self number, because there is not a number n which added to its sum of digits gives 22620022664.

It is not an unprimeable number, because it can be changed into a prime (22620022661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10169762 + ... + 10171985.

It is an arithmetic number, because the mean of its divisors is an integer number (2669854425).

Almost surely, 2^22620022664 is an apocalyptic number.

It is an amenable number.

22620022664 is a deficient number, since it is larger than the sum of its proper divisors (20097648136).

22620022664 is a wasteful number, since it uses less digits than its factorization.

22620022664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20341892 (or 20341888 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 22620022664 in words is "twenty-two billion, six hundred twenty million, twenty-two thousand, six hundred sixty-four".