442244 has 36 divisors (see below), whose sum is σ = 929040. Its totient is φ = 182160.

The previous prime is 442243. The next prime is 442271.

442244 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (442243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19217 + ... + 19239.

It is a self-describing number.

2⁴⁴²²⁴⁴ is an apocalyptic number.

442244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442244 is an abundant number, since it is smaller than the sum of its proper divisors (486796).

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

442244 is a wasteful number, since it uses less digits than its factorization.

442244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 55 counting only the distinct ones).

The product of its digits is 1024, while the sum is 20.

The square root of 442244 is about 665.0142855608. The cubic root of 442244 is about 76.1881304089.

It can be divided in two parts, 442 and 244, that added together give a palindrome (686).

The spelling of 442244 in words is "four hundred forty-two thousand, two hundred forty-four", and thus it is an iban number.