6622853972388 has 12 divisors (see below), whose sum is σ = 15453325935600. Its totient is φ = 2207617990792.

The previous prime is 6622853972369. The next prime is 6622853972393. The reversal of 6622853972388 is 8832793582266.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6622853972388² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275952248838 + ... + 275952248861.

It is an arithmetic number, because the mean of its divisors is an integer number (1287777161300).

Almost surely, 2^{6622853972388} is an apocalyptic number.

It is an amenable number.

6622853972388 is an abundant number, since it is smaller than the sum of its proper divisors (8830471963212).

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

6622853972388 is a wasteful number, since it uses less digits than its factorization.

6622853972388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551904497706 (or 551904497704 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 69.

The spelling of 6622853972388 in words is "six trillion, six hundred twenty-two billion, eight hundred fifty-three million, nine hundred seventy-two thousand, three hundred eighty-eight".