664714422 has 24 divisors (see below), whose sum is σ = 1455065976. Its totient is φ = 219286656.

The previous prime is 664714403. The next prime is 664714439. The reversal of 664714422 is 224417466.

664714422 is a `hidden beast` number, since 6 + 647 + 1 + 4 + 4 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188608 + ... + 192099.

It is an arithmetic number, because the mean of its divisors is an integer number (60627749).

Almost surely, 2^664714422 is an apocalyptic number.

664714422 is an abundant number, since it is smaller than the sum of its proper divisors (790351554).

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

664714422 is a wasteful number, since it uses less digits than its factorization.

664714422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380812 (or 380809 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 664714422 is about 25782.0562019401. The cubic root of 664714422 is about 872.7269096175.

The spelling of 664714422 in words is "six hundred sixty-four million, seven hundred fourteen thousand, four hundred twenty-two".