444222224 has 10 divisors (see below), whose sum is σ = 860680590. Its totient is φ = 222111104.

The previous prime is 444222209. The next prime is 444222227. The reversal of 444222224 is 422222444.

It can be written as a sum of positive squares in only one way, i.e., 336062224 + 108160000 = 18332^2 + 10400^2 .

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 = 444222193 and 444222202.

It is not an unprimeable number, because it can be changed into a prime (444222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13881929 + ... + 13881960.

It is an arithmetic number, because the mean of its divisors is an integer number (86068059).

Almost surely, 2^444222224 is an apocalyptic number.

It is an amenable number.

444222224 is a deficient number, since it is larger than the sum of its proper divisors (416458366).

444222224 is a wasteful number, since it uses less digits than its factorization.

444222224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27763897 (or 27763891 counting only the distinct ones).

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

The square root of 444222224 is about 21076.5799882239. The cubic root of 444222224 is about 763.0156177111.

Adding to 444222224 its reverse (422222444), we get a palindrome (866444668).

The spelling of 444222224 in words is "four hundred forty-four million, two hundred twenty-two thousand, two hundred twenty-four".