3021303221 has 12 divisors (see below), whose sum is σ = 3240985644. Its totient is φ = 2815344000.

The previous prime is 3021303157. The next prime is 3021303227. The reversal of 3021303221 is 1223031203.

It can be written as a sum of positive squares in 2 ways, for example, as 152522500 + 2868780721 = 12350^2 + 53561^2 .

It is not a de Polignac number, because 3021303221 - 2⁶ = 3021303157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3021303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021303227) 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 in 11 ways as a sum of consecutive naturals, for example, 46580 + ... + 90621.

It is an arithmetic number, because the mean of its divisors is an integer number (270082137).

Almost surely, 2^3021303221 is an apocalyptic number.

It is an amenable number.

3021303221 is a deficient number, since it is larger than the sum of its proper divisors (219682423).

3021303221 is a wasteful number, since it uses less digits than its factorization.

3021303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137300 (or 137281 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3021303221 is about 54966.3826443036. The cubic root of 3021303221 is about 1445.6553615404.

Adding to 3021303221 its reverse (1223031203), we get a palindrome (4244334424).

The spelling of 3021303221 in words is "three billion, twenty-one million, three hundred three thousand, two hundred twenty-one".