4399225 has 12 divisors (see below), whose sum is σ = 5496300. Its totient is φ = 3492800.

The previous prime is 4399223. The next prime is 4399237. The reversal of 4399225 is 5229934.

It can be written as a sum of positive squares in 6 ways, for example, as 56169 + 4343056 = 237^2 + 2084^2 .

It is not a de Polignac number, because 4399225 - 2¹ = 4399223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399223) 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, 3135 + ... + 4315.

It is an arithmetic number, because the mean of its divisors is an integer number (458025).

Almost surely, 2^4399225 is an apocalyptic number.

It is an amenable number.

4399225 is a deficient number, since it is larger than the sum of its proper divisors (1097075).

4399225 is a wasteful number, since it uses less digits than its factorization.

4399225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1335 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 4399225 is about 2097.4329548284. The cubic root of 4399225 is about 163.8546327373.

It can be divided in two parts, 4399 and 225, that added together give a square (4624 = 68²).

The spelling of 4399225 in words is "four million, three hundred ninety-nine thousand, two hundred twenty-five".