4522225 has 12 divisors (see below), whose sum is σ = 5715036. Its totient is φ = 3548480.

The previous prime is 4522223. The next prime is 4522229. The reversal of 4522225 is 5222254.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 266256 + 4255969 = 516^2 + 2063^2 .

It is not a de Polignac number, because 4522225 - 2¹ = 4522223 is a prime.

It is a Duffinian number.

4522225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4522196 and 4522205.

It is not an unprimeable number, because it can be changed into a prime (4522223) 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, 382 + ... + 3031.

It is an arithmetic number, because the mean of its divisors is an integer number (476253).

Almost surely, 2^4522225 is an apocalyptic number.

It is an amenable number.

4522225 is a deficient number, since it is larger than the sum of its proper divisors (1192811).

4522225 is a wasteful number, since it uses less digits than its factorization.

4522225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3471 counting only the distinct ones).

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

The square root of 4522225 is about 2126.5523741493. The cubic root of 4522225 is about 165.3677137392.

Adding to 4522225 its reverse (5222254), we get a palindrome (9744479).

The spelling of 4522225 in words is "four million, five hundred twenty-two thousand, two hundred twenty-five".