304225 has 12 divisors (see below), whose sum is σ = 387376. Its totient is φ = 236880.

The previous prime is 304223. The next prime is 304253. The reversal of 304225 is 522403.

It is not a de Polignac number, because 304225 - 2¹ = 304223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304199 and 304208.

It is not an unprimeable number, because it can be changed into a prime (304223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934 + ... + 1216.

2³⁰⁴²²⁵ is an apocalyptic number.

It is an amenable number.

304225 is a deficient number, since it is larger than the sum of its proper divisors (83151).

304225 is a wasteful number, since it uses less digits than its factorization.

304225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 304225 is about 551.5659525388. The cubic root of 304225 is about 67.2560927395.

Adding to 304225 its reverse (522403), we get a palindrome (826628).

It can be divided in two parts, 304 and 225, that added together give a square (529 = 23²).

The spelling of 304225 in words is "three hundred four thousand, two hundred twenty-five".