442570224 has 20 divisors (see below), whose sum is σ = 1143306536. Its totient is φ = 147523392.

The previous prime is 442570213. The next prime is 442570241. The reversal of 442570224 is 422075244.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 442570191 and 442570200.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4610059 + ... + 4610154.

Almost surely, 2^442570224 is an apocalyptic number.

It is an amenable number.

442570224 is an abundant number, since it is smaller than the sum of its proper divisors (700736312).

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

442570224 is a wasteful number, since it uses less digits than its factorization.

442570224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9220224 (or 9220218 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 442570224 is about 21037.3530654405. The cubic root of 442570224 is about 762.0685935179.

The spelling of 442570224 in words is "four hundred forty-two million, five hundred seventy thousand, two hundred twenty-four".