641604066222 has 32 divisors (see below), whose sum is σ = 1513830795264. Its totient is φ = 177402045600.

The previous prime is 641604066211. The next prime is 641604066227. The reversal of 641604066222 is 222660406146.

641604066222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641604066222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641604066227) 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, 246390429 + ... + 246393032.

It is an arithmetic number, because the mean of its divisors is an integer number (47307212352).

Almost surely, 2^641604066222 is an apocalyptic number.

641604066222 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

641604066222 is an abundant number, since it is smaller than the sum of its proper divisors (872226729042).

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

641604066222 is a wasteful number, since it uses less digits than its factorization.

641604066222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492783504.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 641604066222 in words is "six hundred forty-one billion, six hundred four million, sixty-six thousand, two hundred twenty-two".