442544224 has 12 divisors (see below), whose sum is σ = 871259004. Its totient is φ = 221272096.

The previous prime is 442544209. The next prime is 442544231. The reversal of 442544224 is 422445244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914722 + ... + 6914785.

It is an arithmetic number, because the mean of its divisors is an integer number (72604917).

Almost surely, 2^442544224 is an apocalyptic number.

It is an amenable number.

442544224 is a deficient number, since it is larger than the sum of its proper divisors (428714780).

442544224 is a wasteful number, since it uses less digits than its factorization.

442544224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829517 (or 13829509 counting only the distinct ones).

The product of its digits is 40960, while the sum is 31.

The square root of 442544224 is about 21036.7351079011. The cubic root of 442544224 is about 762.0536699568.

Adding to 442544224 its reverse (422445244), we get a palindrome (864989468).

The spelling of 442544224 in words is "four hundred forty-two million, five hundred forty-four thousand, two hundred twenty-four".