2272904 has 32 divisors (see below), whose sum is σ = 4498200. Its totient is φ = 1075200.

The previous prime is 2272903. The next prime is 2272931. The reversal of 2272904 is 4092722.

It can be written as a sum of positive squares in 4 ways, for example, as 2244004 + 28900 = 1498^2 + 170^2 .

It is not an unprimeable number, because it can be changed into a prime (2272903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22454 + ... + 22554.

2^2272904 is an apocalyptic number.

It is an amenable number.

2272904 is a deficient number, since it is larger than the sum of its proper divisors (2225296).

2272904 is a wasteful number, since it uses less digits than its factorization.

2272904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2272904 is about 1507.6153355548. The cubic root of 2272904 is about 131.4802025067.

The spelling of 2272904 in words is "two million, two hundred seventy-two thousand, nine hundred four".