442322332 has 24 divisors (see below), whose sum is σ = 786360960. Its totient is φ = 217659120.

The previous prime is 442322323. The next prime is 442322339. The reversal of 442322332 is 233223244.

It is a junction number, because it is equal to n+sod(n) for n = 442322297 and 442322306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442322339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222519 + ... + 224497.

It is an arithmetic number, because the mean of its divisors is an integer number (32765040).

Almost surely, 2^442322332 is an apocalyptic number.

It is an amenable number.

442322332 is a deficient number, since it is larger than the sum of its proper divisors (344038628).

442322332 is a wasteful number, since it uses less digits than its factorization.

442322332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2839 counting only the distinct ones).

The product of its digits is 6912, while the sum is 25.

The square root of 442322332 is about 21031.4605294069. The cubic root of 442322332 is about 761.9262839067.

Adding to 442322332 its reverse (233223244), we get a palindrome (675545576).

It can be divided in two parts, 44232 and 2332, that added together give a palindrome (46564).

The spelling of 442322332 in words is "four hundred forty-two million, three hundred twenty-two thousand, three hundred thirty-two".