6642886222 has 16 divisors (see below), whose sum is σ = 11388854880. Its totient is φ = 2846688768.

The previous prime is 6642886171. The next prime is 6642886231. The reversal of 6642886222 is 2226882466.

6642886222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266518 + ... + 290374.

It is an arithmetic number, because the mean of its divisors is an integer number (711803430).

Almost surely, 2^6642886222 is an apocalyptic number.

6642886222 is a deficient number, since it is larger than the sum of its proper divisors (4745968658).

6642886222 is a wasteful number, since it uses less digits than its factorization.

6642886222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43755.

The product of its digits is 884736, while the sum is 46.

The square root of 6642886222 is about 81503.9031089923. The cubic root of 6642886222 is about 1879.8315661308.

The spelling of 6642886222 in words is "six billion, six hundred forty-two million, eight hundred eighty-six thousand, two hundred twenty-two".