304320242 has 8 divisors (see below), whose sum is σ = 471205632. Its totient is φ = 147251700.

The previous prime is 304320239. The next prime is 304320251. The reversal of 304320242 is 242023403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×304320242² = 185221619381877128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454134 + ... + 2454257.

It is an arithmetic number, because the mean of its divisors is an integer number (58900704).

Almost surely, 2^304320242 is an apocalyptic number.

304320242 is a deficient number, since it is larger than the sum of its proper divisors (166885390).

304320242 is a wasteful number, since it uses less digits than its factorization.

304320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908424.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 304320242 is about 17444.7769260601. The cubic root of 304320242 is about 672.6311050206.

Adding to 304320242 its reverse (242023403), we get a palindrome (546343645).

The spelling of 304320242 in words is "three hundred four million, three hundred twenty thousand, two hundred forty-two".