304340222 has 32 divisors (see below), whose sum is σ = 494242560. Its totient is φ = 140031360.

The previous prime is 304340203. The next prime is 304340227. The reversal of 304340222 is 222043403.

It is a junction number, because it is equal to n+sod(n) for n = 304340194 and 304340203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304340227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335093 + ... + 335999.

It is an arithmetic number, because the mean of its divisors is an integer number (15445080).

Almost surely, 2^304340222 is an apocalyptic number.

304340222 is a deficient number, since it is larger than the sum of its proper divisors (189902338).

304340222 is a wasteful number, since it uses less digits than its factorization.

304340222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

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

The square root of 304340222 is about 17445.3495809055. The cubic root of 304340222 is about 672.6458251230.

Adding to 304340222 its reverse (222043403), we get a palindrome (526383625).

The spelling of 304340222 in words is "three hundred four million, three hundred forty thousand, two hundred twenty-two".