2825225 has 12 divisors (see below), whose sum is σ = 3773196. Its totient is φ = 2086080.

The previous prime is 2825191. The next prime is 2825227. The reversal of 2825225 is 5225282.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 942841 + 1882384 = 971^2 + 1372^2 .

It is not a de Polignac number, because 2825225 - 2¹⁰ = 2824201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2825194 and 2825203.

It is not an unprimeable number, because it can be changed into a prime (2825227) 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, 4022 + ... + 4671.

It is an arithmetic number, because the mean of its divisors is an integer number (314433).

2^2825225 is an apocalyptic number.

2825225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2825225 is a deficient number, since it is larger than the sum of its proper divisors (947971).

2825225 is a wasteful number, since it uses less digits than its factorization.

2825225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716 (or 8711 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 2825225 is about 1680.8405635277. The cubic root of 2825225 is about 141.3679673389.

The spelling of 2825225 in words is "two million, eight hundred twenty-five thousand, two hundred twenty-five".