304740222 has 16 divisors (see below), whose sum is σ = 609678480. Its totient is φ = 101547072.

The previous prime is 304740193. The next prime is 304740223. The reversal of 304740222 is 222047403.

It is a junction number, because it is equal to n+sod(n) for n = 304740192 and 304740201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304740223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18354 + ... + 30762.

It is an arithmetic number, because the mean of its divisors is an integer number (38104905).

Almost surely, 2^304740222 is an apocalyptic number.

304740222 is an abundant number, since it is smaller than the sum of its proper divisors (304938258).

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

304740222 is a wasteful number, since it uses less digits than its factorization.

304740222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16507.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 304740222 is about 17456.8101897225. The cubic root of 304740222 is about 672.9403864072.

Adding to 304740222 its reverse (222047403), we get a palindrome (526787625).

The spelling of 304740222 in words is "three hundred four million, seven hundred forty thousand, two hundred twenty-two".