444042224 has 20 divisors (see below), whose sum is σ = 860784936. Its totient is φ = 221904192.

The previous prime is 444042211. The next prime is 444042251. The reversal of 444042224 is 422240444.

It is a junction number, because it is equal to n+sod(n) for n = 444042193 and 444042202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29702 + ... + 42074.

Almost surely, 2^444042224 is an apocalyptic number.

It is an amenable number.

444042224 is a deficient number, since it is larger than the sum of its proper divisors (416742712).

444042224 is a wasteful number, since it uses less digits than its factorization.

444042224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624 (or 14618 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 444042224 is about 21072.3094130662. The cubic root of 444042224 is about 762.9125451507.

Adding to 444042224 its reverse (422240444), we get a palindrome (866282668).

It can be divided in two parts, 4440 and 42224, that added together give a palindrome (46664).

The spelling of 444042224 in words is "four hundred forty-four million, forty-two thousand, two hundred twenty-four".