442570 has 8 divisors (see below), whose sum is σ = 796644. Its totient is φ = 177024.

The previous prime is 442537. The next prime is 442571. The reversal of 442570 is 75244.

It can be written as a sum of positive squares in 2 ways, for example, as 423801 + 18769 = 651^2 + 137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (442571) by changing a digit.

442570 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22119 + ... + 22138.

2⁴⁴²⁵⁷⁰ is an apocalyptic number.

442570 is a deficient number, since it is larger than the sum of its proper divisors (354074).

442570 is a wasteful number, since it uses less digits than its factorization.

442570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44264.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 442570 is about 665.2593479238. The cubic root of 442570 is about 76.2068464948.

The spelling of 442570 in words is "four hundred forty-two thousand, five hundred seventy".