404444224 has 14 divisors (see below), whose sum is σ = 802569134. Its totient is φ = 202222080.

The previous prime is 404444207. The next prime is 404444281. The reversal of 404444224 is 422444404.

It can be written as a sum of positive squares in only one way, i.e., 369869824 + 34574400 = 19232^2 + 5880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404444192 and 404444201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159657 + ... + 3159784.

Almost surely, 2^404444224 is an apocalyptic number.

It is an amenable number.

404444224 is a deficient number, since it is larger than the sum of its proper divisors (398124910).

404444224 is an equidigital number, since it uses as much as digits as its factorization.

404444224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319453 (or 6319443 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 404444224 is about 20110.7986912504. The cubic root of 404444224 is about 739.5250324373.

Adding to 404444224 its reverse (422444404), we get a palindrome (826888628).

The spelling of 404444224 in words is "four hundred four million, four hundred forty-four thousand, two hundred twenty-four".