304224122 has 8 divisors (see below), whose sum is σ = 456806196. Its totient is φ = 151955392.

The previous prime is 304224121. The next prime is 304224149. The reversal of 304224122 is 221422403.

It can be written as a sum of positive squares in 2 ways, for example, as 285914281 + 18309841 = 16909^2 + 4279^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 304224094 and 304224103.

It is not an unprimeable number, because it can be changed into a prime (304224121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75893 + ... + 79800.

Almost surely, 2^304224122 is an apocalyptic number.

304224122 is a deficient number, since it is larger than the sum of its proper divisors (152582074).

304224122 is a wasteful number, since it uses less digits than its factorization.

304224122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156672.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 304224122 is about 17442.0217291460. The cubic root of 304224122 is about 672.5602803858.

Adding to 304224122 its reverse (221422403), we get a palindrome (525646525).

The spelling of 304224122 in words is "three hundred four million, two hundred twenty-four thousand, one hundred twenty-two".