332442 has 48 divisors (see below), whose sum is σ = 831168. Its totient is φ = 95040.

The previous prime is 332441. The next prime is 332447. The reversal of 332442 is 244233.

It is a super-2 number, since 2×332442² = 221035366728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (332441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4518 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (17316).

2³³²⁴⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 332442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415584).

332442 is an abundant number, since it is smaller than the sum of its proper divisors (498726).

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

332442 is a wasteful number, since it uses less digits than its factorization.

332442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 112 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 332442 is about 576.5778351619. The cubic root of 332442 is about 69.2742706657.

Adding to 332442 its reverse (244233), we get a palindrome (576675).

Subtracting from 332442 its reverse (244233), we obtain a square (88209 = 297²).

The spelling of 332442 in words is "three hundred thirty-two thousand, four hundred forty-two".