304220303 has 12 divisors (see below), whose sum is σ = 312198768. Its totient is φ = 296378880.

The previous prime is 304220299. The next prime is 304220309. The reversal of 304220303 is 303022403.

It is not a de Polignac number, because 304220303 - 2² = 304220299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304220309) 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, 1576175 + ... + 1576367.

It is an arithmetic number, because the mean of its divisors is an integer number (26016564).

Almost surely, 2^304220303 is an apocalyptic number.

304220303 is a deficient number, since it is larger than the sum of its proper divisors (7978465).

304220303 is an equidigital number, since it uses as much as digits as its factorization.

304220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 304220303 is about 17441.9122518146. The cubic root of 304220303 is about 672.5574661027.

Adding to 304220303 its reverse (303022403), we get a palindrome (607242706).

The spelling of 304220303 in words is "three hundred four million, two hundred twenty thousand, three hundred three".