3221413021 has 2 divisors, whose sum is σ = 3221413022. Its totient is φ = 3221413020.

The previous prime is 3221413001. The next prime is 3221413163. The reversal of 3221413021 is 1203141223.

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., 3175322500 + 46090521 = 56350^2 + 6789^2 .

It is an emirp because it is prime and its reverse (1203141223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3221413021 - 2²⁹ = 2684542109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3221413021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221413001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610706510 + 1610706511.

It is an arithmetic number, because the mean of its divisors is an integer number (1610706511).

Almost surely, 2^3221413021 is an apocalyptic number.

It is an amenable number.

3221413021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221413021 is an equidigital number, since it uses as much as digits as its factorization.

3221413021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3221413021 is about 56757.4930824116. The cubic root of 3221413021 is about 1476.8922218515.

Adding to 3221413021 its reverse (1203141223), we get a palindrome (4424554244).

The spelling of 3221413021 in words is "three billion, two hundred twenty-one million, four hundred thirteen thousand, twenty-one".