4255225 has 12 divisors (see below), whose sum is σ = 5682796. Its totient is φ = 3142080.

The previous prime is 4255213. The next prime is 4255249. The reversal of 4255225 is 5225524.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 44521 + 4210704 = 211^2 + 2052^2 .

It is not a de Polignac number, because 4255225 - 2⁵ = 4255193 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 4⁹ + 2 + 5⁷ + 5⁹ + 2⁹ + 2¹³ + 5⁹ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4255225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6222 + ... + 6871.

Almost surely, 2^4255225 is an apocalyptic number.

It is an amenable number.

4255225 is a deficient number, since it is larger than the sum of its proper divisors (1427571).

4255225 is a wasteful number, since it uses less digits than its factorization.

4255225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13116 (or 13111 counting only the distinct ones).

The product of its digits is 4000, while the sum is 25.

The square root of 4255225 is about 2062.8196721963. The cubic root of 4255225 is about 162.0469431606.

Subtracting 4255225 from its reverse (5225524), we obtain a cube (970299 = 99³).

The spelling of 4255225 in words is "four million, two hundred fifty-five thousand, two hundred twenty-five".