304006122 has 64 divisors (see below), whose sum is σ = 781689600. Its totient is φ = 86850144.

The previous prime is 304006117. The next prime is 304006139. The reversal of 304006122 is 221600403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 304006095 and 304006104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25654 + ... + 35582.

It is an arithmetic number, because the mean of its divisors is an integer number (12213900).

Almost surely, 2^304006122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304006122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390844800).

304006122 is an abundant number, since it is smaller than the sum of its proper divisors (477683478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304006122 is an frugal number, since it uses more digits than its factorization.

304006122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959 (or 9941 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 304006122 is about 17435.7713336692. The cubic root of 304006122 is about 672.3995949289.

Adding to 304006122 its reverse (221600403), we get a palindrome (525606525).

The spelling of 304006122 in words is "three hundred four million, six thousand, one hundred twenty-two".