422641966 has 16 divisors (see below), whose sum is σ = 667814400. Its totient is φ = 200053368.

The previous prime is 422641949. The next prime is 422641979. The reversal of 422641966 is 669146224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63681 + ... + 70003.

It is an arithmetic number, because the mean of its divisors is an integer number (41738400).

Almost surely, 2^422641966 is an apocalyptic number.

422641966 is a deficient number, since it is larger than the sum of its proper divisors (245172434).

422641966 is a wasteful number, since it uses less digits than its factorization.

422641966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8103.

The product of its digits is 124416, while the sum is 40.

The square root of 422641966 is about 20558.2578542054. The cubic root of 422641966 is about 750.4542232232.

The spelling of 422641966 in words is "four hundred twenty-two million, six hundred forty-one thousand, nine hundred sixty-six".