442562 has 4 divisors (see below), whose sum is σ = 663846. Its totient is φ = 221280.

The previous prime is 442537. The next prime is 442571. The reversal of 442562 is 265244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 434281 + 8281 = 659^2 + 91^2 .

It is a super-2 number, since 2×442562² = 391722247688, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 442562.

It is an unprimeable number.

442562 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110639 + ... + 110642.

2⁴⁴²⁵⁶² is an apocalyptic number.

442562 is a deficient number, since it is larger than the sum of its proper divisors (221284).

442562 is a wasteful number, since it uses less digits than its factorization.

442562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221283.

The product of its digits is 1920, while the sum is 23.

The square root of 442562 is about 665.2533352040. The cubic root of 442562 is about 76.2063873144.

The spelling of 442562 in words is "four hundred forty-two thousand, five hundred sixty-two".