304221301 has 2 divisors, whose sum is σ = 304221302. Its totient is φ = 304221300.

The previous prime is 304221263. The next prime is 304221317. The reversal of 304221301 is 103122403.

It is a happy number.

It is an a-pointer prime, because the next prime (304221317) can be obtained adding 304221301 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224100900 + 80120401 = 14970^2 + 8951^2 .

It is an emirp because it is prime and its reverse (103122403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304221301 - 2¹⁷ = 304090229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304221371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152110650 + 152110651.

It is an arithmetic number, because the mean of its divisors is an integer number (152110651).

Almost surely, 2^304221301 is an apocalyptic number.

It is an amenable number.

304221301 is a deficient number, since it is larger than the sum of its proper divisors (1).

304221301 is an equidigital number, since it uses as much as digits as its factorization.

304221301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 304221301 is about 17441.9408610395. The cubic root of 304221301 is about 672.5582015474.

Adding to 304221301 its reverse (103122403), we get a palindrome (407343704).

The spelling of 304221301 in words is "three hundred four million, two hundred twenty-one thousand, three hundred one".