304223346 has 96 divisors (see below), whose sum is σ = 793877760. Its totient is φ = 82317312.

The previous prime is 304223329. The next prime is 304223377. The reversal of 304223346 is 643322403.

It is a happy number.

304223346 is a `hidden beast` number, since 304 + 22 + 334 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327010 + ... + 327938.

It is an arithmetic number, because the mean of its divisors is an integer number (8269560).

Almost surely, 2^304223346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304223346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396938880).

304223346 is an abundant number, since it is smaller than the sum of its proper divisors (489654414).

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

304223346 is a wasteful number, since it uses less digits than its factorization.

304223346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 304223346 is about 17441.9994840041. Note that the first 3 decimals coincide. The cubic root of 304223346 is about 672.5597085407.

Adding to 304223346 its reverse (643322403), we get a palindrome (947545749).

The spelling of 304223346 in words is "three hundred four million, two hundred twenty-three thousand, three hundred forty-six".