8444225 has 12 divisors (see below), whose sum is σ = 10670076. Its totient is φ = 6626880.

The previous prime is 8444213. The next prime is 8444273. The reversal of 8444225 is 5224448.

It can be written as a sum of positive squares in 6 ways, for example, as 190096 + 8254129 = 436^2 + 2873^2 .

It is not a de Polignac number, because 8444225 - 2⁸ = 8443969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1862 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (889173).

Almost surely, 2^8444225 is an apocalyptic number.

It is an amenable number.

8444225 is a deficient number, since it is larger than the sum of its proper divisors (2225851).

8444225 is a wasteful number, since it uses less digits than its factorization.

8444225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436 (or 6431 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 8444225 is about 2905.8948707756. The cubic root of 8444225 is about 203.6353941655.

The spelling of 8444225 in words is "eight million, four hundred forty-four thousand, two hundred twenty-five".