8022171866388 has 48 divisors (see below), whose sum is σ = 18727588395264. Its totient is φ = 2672745102720.

The previous prime is 8022171866377. The next prime is 8022171866441. The reversal of 8022171866388 is 8836681712208.

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, 322461006 + ... + 322485882.

It is an arithmetic number, because the mean of its divisors is an integer number (390158091568).

Almost surely, 2^{8022171866388} is an apocalyptic number.

It is an amenable number.

8022171866388 is an abundant number, since it is smaller than the sum of its proper divisors (10705416528876).

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

8022171866388 is a wasteful number, since it uses less digits than its factorization.

8022171866388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36992 (or 36990 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 60.

The spelling of 8022171866388 in words is "eight trillion, twenty-two billion, one hundred seventy-one million, eight hundred sixty-six thousand, three hundred eighty-eight".