2904223 has 4 divisors (see below), whose sum is σ = 3319120. Its totient is φ = 2489328.

The previous prime is 2904221. The next prime is 2904227. The reversal of 2904223 is 3224092.

2904223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2904223 - 2¹ = 2904221 is a prime.

It is a super-2 number, since 2×2904223² = 16869022467458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2904194 and 2904203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2904221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207438 + ... + 207451.

It is an arithmetic number, because the mean of its divisors is an integer number (829780).

2^2904223 is an apocalyptic number.

2904223 is a deficient number, since it is larger than the sum of its proper divisors (414897).

2904223 is an equidigital number, since it uses as much as digits as its factorization.

2904223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414896.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2904223 is about 1704.1781010211. The cubic root of 2904223 is about 142.6735016038.

The spelling of 2904223 in words is "two million, nine hundred four thousand, two hundred twenty-three".