6646422822 has 32 divisors (see below), whose sum is σ = 14336756448. Its totient is φ = 2041998336.

The previous prime is 6646422821. The next prime is 6646422823. The reversal of 6646422822 is 2282246466.

It is an interprime number because it is at equal distance from previous prime (6646422821) and next prime (6646422823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6646422821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10813 + ... + 115800.

It is an arithmetic number, because the mean of its divisors is an integer number (448023639).

Almost surely, 2^6646422822 is an apocalyptic number.

6646422822 is an abundant number, since it is smaller than the sum of its proper divisors (7690333626).

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

6646422822 is a wasteful number, since it uses less digits than its factorization.

6646422822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127304.

The product of its digits is 442368, while the sum is 42.

The square root of 6646422822 is about 81525.5961155759. The cubic root of 6646422822 is about 1880.1651075379.

The spelling of 6646422822 in words is "six billion, six hundred forty-six million, four hundred twenty-two thousand, eight hundred twenty-two".