442622564 has 48 divisors (see below), whose sum is σ = 821059008. Its totient is φ = 208510848.

The previous prime is 442622549. The next prime is 442622573. The reversal of 442622564 is 465226244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998927 + ... + 999369.

It is an arithmetic number, because the mean of its divisors is an integer number (17105396).

Almost surely, 2^442622564 is an apocalyptic number.

It is an amenable number.

442622564 is a deficient number, since it is larger than the sum of its proper divisors (378436444).

442622564 is a wasteful number, since it uses less digits than its factorization.

442622564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 682 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

The square root of 442622564 is about 21038.5970064546. The cubic root of 442622564 is about 762.0986340221.

The spelling of 442622564 in words is "four hundred forty-two million, six hundred twenty-two thousand, five hundred sixty-four".