444522232 has 64 divisors (see below), whose sum is σ = 1044806400. Its totient is φ = 172247040.

The previous prime is 444522229. The next prime is 444522241. The reversal of 444522232 is 232225444.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 444522232.

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, 117019 + ... + 120757.

It is an arithmetic number, because the mean of its divisors is an integer number (16325100).

Almost surely, 2^444522232 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 444522232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522403200).

444522232 is an abundant number, since it is smaller than the sum of its proper divisors (600284168).

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

444522232 is a wasteful number, since it uses less digits than its factorization.

444522232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956 (or 3952 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 444522232 is about 21083.6958809408. The cubic root of 444522232 is about 763.1873480331.

Adding to 444522232 its reverse (232225444), we get a palindrome (676747676).

The spelling of 444522232 in words is "four hundred forty-four million, five hundred twenty-two thousand, two hundred thirty-two".