6622221576 has 64 divisors (see below), whose sum is σ = 16991812800. Its totient is φ = 2149982208.

The previous prime is 6622221517. The next prime is 6622221589. The reversal of 6622221576 is 6751222266.

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, 119976 + ... + 166248.

It is an arithmetic number, because the mean of its divisors is an integer number (265497075).

Almost surely, 2^6622221576 is an apocalyptic number.

It is an amenable number.

6622221576 is an abundant number, since it is smaller than the sum of its proper divisors (10369591224).

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

6622221576 is a wasteful number, since it uses less digits than its factorization.

6622221576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46438 (or 46434 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 6622221576 is about 81377.0334676805. The cubic root of 6622221576 is about 1877.8802855682.

The spelling of 6622221576 in words is "six billion, six hundred twenty-two million, two hundred twenty-one thousand, five hundred seventy-six".