442458422 has 24 divisors (see below), whose sum is σ = 805749744. Its totient is φ = 178468992.

The previous prime is 442458413. The next prime is 442458431. The reversal of 442458422 is 224854244.

It is an interprime number because it is at equal distance from previous prime (442458413) and next prime (442458431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50633 + ... + 58724.

It is an arithmetic number, because the mean of its divisors is an integer number (33572906).

Almost surely, 2^442458422 is an apocalyptic number.

442458422 is a deficient number, since it is larger than the sum of its proper divisors (363291322).

442458422 is a wasteful number, since it uses less digits than its factorization.

442458422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109400 (or 109383 counting only the distinct ones).

The product of its digits is 81920, while the sum is 35.

The square root of 442458422 is about 21034.6956716754. The cubic root of 442458422 is about 762.0044169092.

The spelling of 442458422 in words is "four hundred forty-two million, four hundred fifty-eight thousand, four hundred twenty-two".