6426222664620 has 72 divisors (see below), whose sum is σ = 19777895231472. Its totient is φ = 1557872159360.

The previous prime is 6426222664607. The next prime is 6426222664627. The reversal of 6426222664620 is 264662226246.

It is a self number, because there is not a number n which added to its sum of digits gives 6426222664620.

It is not an unprimeable number, because it can be changed into a prime (6426222664627) 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, 442570059 + ... + 442584578.

It is an arithmetic number, because the mean of its divisors is an integer number (274692989326).

Almost surely, 2^{6426222664620} is an apocalyptic number.

6426222664620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6426222664620 is an abundant number, since it is smaller than the sum of its proper divisors (13351672566852).

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

6426222664620 is a wasteful number, since it uses less digits than its factorization.

6426222664620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885154671 (or 885154658 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 6426222664620 in words is "six trillion, four hundred twenty-six billion, two hundred twenty-two million, six hundred sixty-four thousand, six hundred twenty".