304222230 has 160 divisors (see below), whose sum is σ = 891342144. Its totient is φ = 74006784.

The previous prime is 304222229. The next prime is 304222241. The reversal of 304222230 is 32222403.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1758424 + ... + 1758596.

Almost surely, 2^304222230 is an apocalyptic number.

304222230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 304222230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445671072).

304222230 is an abundant number, since it is smaller than the sum of its proper divisors (587119914).

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

304222230 is a wasteful number, since it uses less digits than its factorization.

304222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 304222230 is about 17441.9674922298. The cubic root of 304222230 is about 672.5588861432.

Adding to 304222230 its reverse (32222403), we get a palindrome (336444633).

The spelling of 304222230 in words is "three hundred four million, two hundred twenty-two thousand, two hundred thirty".