442259 has 4 divisors (see below), whose sum is σ = 448560. Its totient is φ = 435960.

The previous prime is 442243. The next prime is 442271. The reversal of 442259 is 952244.

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

It is a cyclic number.

It is not a de Polignac number, because 442259 - 2⁴ = 442243 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 442259.

It is not an unprimeable number, because it can be changed into a prime (442229) by changing a digit.

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, 3044 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (112140).

2⁴⁴²²⁵⁹ is an apocalyptic number.

442259 is a deficient number, since it is larger than the sum of its proper divisors (6301).

442259 is an equidigital number, since it uses as much as digits as its factorization.

442259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300.

The product of its digits is 2880, while the sum is 26.

The square root of 442259 is about 665.0255634184. The cubic root of 442259 is about 76.1889917804.

The spelling of 442259 in words is "four hundred forty-two thousand, two hundred fifty-nine".