2805224 has 16 divisors (see below), whose sum is σ = 5309700. Its totient is φ = 1389312.

The previous prime is 2805203. The next prime is 2805227. The reversal of 2805224 is 4225082.

It can be written as a sum of positive squares in 2 ways, for example, as 2502724 + 302500 = 1582^2 + 550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2805224.

It is not an unprimeable number, because it can be changed into a prime (2805227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737 + ... + 2480.

2^2805224 is an apocalyptic number.

It is an amenable number.

2805224 is a deficient number, since it is larger than the sum of its proper divisors (2504476).

2805224 is a wasteful number, since it uses less digits than its factorization.

2805224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332 (or 3328 counting only the distinct ones).

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

The square root of 2805224 is about 1674.8802942300. The cubic root of 2805224 is about 141.0335751575.

The spelling of 2805224 in words is "two million, eight hundred five thousand, two hundred twenty-four".