444253225 has 12 divisors (see below), whose sum is σ = 593249356. Its totient is φ = 328063680.

The previous prime is 444253223. The next prime is 444253279. The reversal of 444253225 is 522352444.

It can be written as a sum of positive squares in 6 ways, for example, as 28419561 + 415833664 = 5331^2 + 20392^2 .

It is not a de Polignac number, because 444253225 - 2¹ = 444253223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444253223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 683142 + ... + 683791.

Almost surely, 2^444253225 is an apocalyptic number.

It is an amenable number.

444253225 is a deficient number, since it is larger than the sum of its proper divisors (148996131).

444253225 is a wasteful number, since it uses less digits than its factorization.

444253225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366956 (or 1366951 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 444253225 is about 21077.3154125472. The cubic root of 444253225 is about 763.0333668583.

The spelling of 444253225 in words is "four hundred forty-four million, two hundred fifty-three thousand, two hundred twenty-five".