3033998221 has 2 divisors, whose sum is σ = 3033998222. Its totient is φ = 3033998220.

The previous prime is 3033998189. The next prime is 3033998243. The reversal of 3033998221 is 1228993303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1675264900 + 1358733321 = 40930^2 + 36861^2 .

It is an emirp because it is prime and its reverse (1228993303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3033998221 - 2⁵ = 3033998189 is a prime.

It is a super-3 number, since 3×3033998221³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3033998251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516999110 + 1516999111.

It is an arithmetic number, because the mean of its divisors is an integer number (1516999111).

Almost surely, 2^3033998221 is an apocalyptic number.

It is an amenable number.

3033998221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3033998221 is an equidigital number, since it uses as much as digits as its factorization.

3033998221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 3033998221 is about 55081.7412669571. The cubic root of 3033998221 is about 1447.6773311441.

The spelling of 3033998221 in words is "three billion, thirty-three million, nine hundred ninety-eight thousand, two hundred twenty-one".