424444224 has 56 divisors (see below), whose sum is σ = 1128438688. Its totient is φ = 140797440.

The previous prime is 424444127. The next prime is 424444247. The reversal of 424444224 is 422444424.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 424444191 and 424444200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35274 + ... + 45750.

Almost surely, 2^424444224 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 424444224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564219344).

424444224 is an abundant number, since it is smaller than the sum of its proper divisors (703994464).

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

424444224 is a wasteful number, since it uses less digits than its factorization.

424444224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10703 (or 10693 counting only the distinct ones).

The product of its digits is 32768, while the sum is 30.

The square root of 424444224 is about 20602.0441704215. The cubic root of 424444224 is about 751.5194228381.

Adding to 424444224 its reverse (422444424), we get a palindrome (846888648).

The spelling of 424444224 in words is "four hundred twenty-four million, four hundred forty-four thousand, two hundred twenty-four".