6222170556 has 72 divisors (see below), whose sum is σ = 18269879264. Its totient is φ = 1748615040.

The previous prime is 6222170551. The next prime is 6222170557. The reversal of 6222170556 is 6550712226.

6222170556 is a `hidden beast` number, since 622 + 21 + 7 + 0 + 5 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6222170556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6222170551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187015 + ... + 217758.

Almost surely, 2^6222170556 is an apocalyptic number.

It is an amenable number.

6222170556 is an abundant number, since it is smaller than the sum of its proper divisors (12047708708).

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

6222170556 is a wasteful number, since it uses less digits than its factorization.

6222170556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404851 (or 404846 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 6222170556 is about 78880.7362795252. The cubic root of 6222170556 is about 1839.2776934118.

The spelling of 6222170556 in words is "six billion, two hundred twenty-two million, one hundred seventy thousand, five hundred fifty-six".