442258 has 8 divisors (see below), whose sum is σ = 666252. Its totient is φ = 220176.

The previous prime is 442243. The next prime is 442271. The reversal of 442258 is 852244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 431649 + 10609 = 657^2 + 103^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516 + ... + 1072.

2⁴⁴²²⁵⁸ is an apocalyptic number.

442258 is a deficient number, since it is larger than the sum of its proper divisors (223994).

442258 is a wasteful number, since it uses less digits than its factorization.

442258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956.

The product of its digits is 2560, while the sum is 25.

The square root of 442258 is about 665.0248115672. The cubic root of 442258 is about 76.1889343562.

The spelling of 442258 in words is "four hundred forty-two thousand, two hundred fifty-eight".