666452322 has 48 divisors (see below), whose sum is σ = 1569035520. Its totient is φ = 203666400.

The previous prime is 666452299. The next prime is 666452329. The reversal of 666452322 is 223254666.

It is not an unprimeable number, because it can be changed into a prime (666452329) 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, 20829 + ... + 42032.

It is an arithmetic number, because the mean of its divisors is an integer number (32688240).

Almost surely, 2^666452322 is an apocalyptic number.

666452322 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

666452322 is an abundant number, since it is smaller than the sum of its proper divisors (902583198).

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

666452322 is a wasteful number, since it uses less digits than its factorization.

666452322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62919 (or 62916 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 666452322 is about 25815.7378744052. The cubic root of 666452322 is about 873.4868310439.

The spelling of 666452322 in words is "six hundred sixty-six million, four hundred fifty-two thousand, three hundred twenty-two".