304228369 has 2 divisors, whose sum is σ = 304228370. Its totient is φ = 304228368.

The previous prime is 304228363. The next prime is 304228381. The reversal of 304228369 is 963822403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303177744 + 1050625 = 17412^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 304228369 - 2¹³ = 304220177 is a prime.

It is a super-2 number, since 2×304228369² = 185109801008800322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_16468714 and since 304228369 and 16468714 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (304228363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152114184 + 152114185.

It is an arithmetic number, because the mean of its divisors is an integer number (152114185).

Almost surely, 2^304228369 is an apocalyptic number.

It is an amenable number.

304228369 is a deficient number, since it is larger than the sum of its proper divisors (1).

304228369 is an equidigital number, since it uses as much as digits as its factorization.

304228369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 304228369 is about 17442.1434749288. The cubic root of 304228369 is about 672.5634100415.

The spelling of 304228369 in words is "three hundred four million, two hundred twenty-eight thousand, three hundred sixty-nine".