444552224 has 12 divisors (see below), whose sum is σ = 875212254. Its totient is φ = 222276096.

The previous prime is 444552221. The next prime is 444552239. The reversal of 444552224 is 422255444.

It can be written as a sum of positive squares in only one way, i.e., 435139600 + 9412624 = 20860^2 + 3068^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 13892257 = 444552224 / (4 + 4 + 4 + 5 + 5 + 2 + 2 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (444552221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6946097 + ... + 6946160.

Almost surely, 2^444552224 is an apocalyptic number.

It is an amenable number.

444552224 is a deficient number, since it is larger than the sum of its proper divisors (430660030).

444552224 is a wasteful number, since it uses less digits than its factorization.

444552224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13892267 (or 13892259 counting only the distinct ones).

The product of its digits is 51200, while the sum is 32.

The square root of 444552224 is about 21084.4071294405. The cubic root of 444552224 is about 763.2045117791.

The spelling of 444552224 in words is "four hundred forty-four million, five hundred fifty-two thousand, two hundred twenty-four".