304222241 has 2 divisors, whose sum is σ = 304222242. Its totient is φ = 304222240.

The previous prime is 304222229. The next prime is 304222249. The reversal of 304222241 is 142222403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256128016 + 48094225 = 16004^2 + 6935^2 .

It is a cyclic number.

It is not a de Polignac number, because 304222241 - 2²⁶ = 237113377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (304222249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152111120 + 152111121.

It is an arithmetic number, because the mean of its divisors is an integer number (152111121).

Almost surely, 2^304222241 is an apocalyptic number.

It is an amenable number.

304222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

304222241 is an equidigital number, since it uses as much as digits as its factorization.

304222241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 304222241 is about 17441.9678075612. The cubic root of 304222241 is about 672.5588942493.

Adding to 304222241 its reverse (142222403), we get a palindrome (446444644).

The spelling of 304222241 in words is "three hundred four million, two hundred twenty-two thousand, two hundred forty-one".