3304304221 has 2 divisors, whose sum is σ = 3304304222. Its totient is φ = 3304304220.

The previous prime is 3304304219. The next prime is 3304304257. The reversal of 3304304221 is 1224034033.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3165300121 + 139004100 = 56261^2 + 11790^2 .

It is a cyclic number.

It is not a de Polignac number, because 3304304221 - 2¹ = 3304304219 is a prime.

Together with 3304304219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3304304192 and 3304304201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3304304281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652152110 + 1652152111.

It is an arithmetic number, because the mean of its divisors is an integer number (1652152111).

Almost surely, 2^3304304221 is an apocalyptic number.

It is an amenable number.

3304304221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3304304221 is an equidigital number, since it uses as much as digits as its factorization.

3304304221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3304304221 is about 57483.0776924827. The cubic root of 3304304221 is about 1489.4525594259.

Adding to 3304304221 its reverse (1224034033), we get a palindrome (4528338254).

The spelling of 3304304221 in words is "three billion, three hundred four million, three hundred four thousand, two hundred twenty-one".