3303030221 has 2 divisors, whose sum is σ = 3303030222. Its totient is φ = 3303030220.

The previous prime is 3303030179. The next prime is 3303030229. The reversal of 3303030221 is 1220303033.

3303030221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2636822500 + 666207721 = 51350^2 + 25811^2 .

It is an emirp because it is prime and its reverse (1220303033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3303030221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3303030221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3303030229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651515110 + 1651515111.

It is an arithmetic number, because the mean of its divisors is an integer number (1651515111).

Almost surely, 2^3303030221 is an apocalyptic number.

It is an amenable number.

3303030221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3303030221 is an equidigital number, since it uses as much as digits as its factorization.

3303030221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 3303030221 is about 57471.9951019625. The cubic root of 3303030221 is about 1489.2611115084.

Adding to 3303030221 its reverse (1220303033), we get a palindrome (4523333254).

The spelling of 3303030221 in words is "three billion, three hundred three million, thirty thousand, two hundred twenty-one".