2804225 has 12 divisors (see below), whose sum is σ = 3499776. Its totient is φ = 2228880.

The previous prime is 2804209. The next prime is 2804227. The reversal of 2804225 is 5224082.

It is not a de Polignac number, because 2804225 - 2⁴ = 2804209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2804225.

It is not an unprimeable number, because it can be changed into a prime (2804227) 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, 5324 + ... + 5826.

It is an arithmetic number, because the mean of its divisors is an integer number (291648).

2^2804225 is an apocalyptic number.

2804225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2804225 is a deficient number, since it is larger than the sum of its proper divisors (695551).

2804225 is a wasteful number, since it uses less digits than its factorization.

2804225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2804225 is about 1674.5820374052. The cubic root of 2804225 is about 141.0168314833.

The spelling of 2804225 in words is "two million, eight hundred four thousand, two hundred twenty-five".