668080422 has 24 divisors (see below), whose sum is σ = 1481172264. Its totient is φ = 217514304.

The previous prime is 668080409. The next prime is 668080429. The reversal of 668080422 is 224080866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668080429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430803 + ... + 432350.

It is an arithmetic number, because the mean of its divisors is an integer number (61715511).

Almost surely, 2^668080422 is an apocalyptic number.

668080422 is an abundant number, since it is smaller than the sum of its proper divisors (813091842).

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

668080422 is a wasteful number, since it uses less digits than its factorization.

668080422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863204 (or 863201 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 668080422 is about 25847.2517301163. The cubic root of 668080422 is about 874.1975432632.

The spelling of 668080422 in words is "six hundred sixty-eight million, eighty thousand, four hundred twenty-two".