444451225 has 12 divisors (see below), whose sum is σ = 563937616. Its totient is φ = 347291280.

The previous prime is 444451199. The next prime is 444451253. The reversal of 444451225 is 522154444.

It is a de Polignac number, because none of the positive numbers 2^k-444451225 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205647 + ... + 207796.

Almost surely, 2^444451225 is an apocalyptic number.

It is an amenable number.

444451225 is a deficient number, since it is larger than the sum of its proper divisors (119486391).

444451225 is a wasteful number, since it uses less digits than its factorization.

444451225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413496 (or 413491 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 444451225 is about 21082.0118821710. The cubic root of 444451225 is about 763.1467092484.

The spelling of 444451225 in words is "four hundred forty-four million, four hundred fifty-one thousand, two hundred twenty-five".