4225225 has 6 divisors (see below), whose sum is σ = 5239310. Its totient is φ = 3380160.

The previous prime is 4225219. The next prime is 4225229. The reversal of 4225225 is 5225224.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 173056 + 4052169 = 416^2 + 2013^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4225225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4225196 and 4225205.

It is not an unprimeable number, because it can be changed into a prime (4225229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84480 + ... + 84529.

Almost surely, 2^4225225 is an apocalyptic number.

It is an amenable number.

4225225 is a deficient number, since it is larger than the sum of its proper divisors (1014085).

4225225 is a wasteful number, since it uses less digits than its factorization.

4225225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169019 (or 169014 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 4225225 is about 2055.5352101095. The cubic root of 4225225 is about 161.6652259528.

Subtracting 4225225 from its reverse (5225224), we obtain a palindrome (999999).

It can be divided in two parts, 4225 and 225, that multiplied together give a square (950625 = 975²).

The spelling of 4225225 in words is "four million, two hundred twenty-five thousand, two hundred twenty-five".