442241332 has 48 divisors (see below), whose sum is σ = 920892672. Its totient is φ = 183744000.

The previous prime is 442241323. The next prime is 442241341. The reversal of 442241332 is 233142244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442241323) and next prime (442241341).

It is a junction number, because it is equal to n+sod(n) for n = 442241297 and 442241306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9457 + ... + 31207.

It is an arithmetic number, because the mean of its divisors is an integer number (19185264).

Almost surely, 2^442241332 is an apocalyptic number.

It is an amenable number.

442241332 is an abundant number, since it is smaller than the sum of its proper divisors (478651340).

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

442241332 is a wasteful number, since it uses less digits than its factorization.

442241332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21808 (or 21806 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 442241332 is about 21029.5347547206. The cubic root of 442241332 is about 761.8797719762.

Adding to 442241332 its reverse (233142244), we get a palindrome (675383576).

It can be divided in two parts, 4422 and 41332, that added together give a palindrome (45754).

The spelling of 442241332 in words is "four hundred forty-two million, two hundred forty-one thousand, three hundred thirty-two".