442552 has 32 divisors (see below), whose sum is σ = 933120. Its totient is φ = 195040.

The previous prime is 442537. The next prime is 442571. The reversal of 442552 is 255244.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

442552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4083 + ... + 4189.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2⁴⁴²⁵⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466560).

442552 is an abundant number, since it is smaller than the sum of its proper divisors (490568).

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

442552 is a wasteful number, since it uses less digits than its factorization.

442552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 167 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 442552 is about 665.2458192277. The cubic root of 442552 is about 76.2058133311.

Adding to 442552 its reverse (255244), we get a palindrome (697796).

The spelling of 442552 in words is "four hundred forty-two thousand, five hundred fifty-two".