3221443 has 2 divisors, whose sum is σ = 3221444. Its totient is φ = 3221442.

The previous prime is 3221441. The next prime is 3221453. The reversal of 3221443 is 3441223.

3221443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3221443 - 2¹ = 3221441 is a prime.

Together with 3221441, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 3¹³ + 2³ + 2¹⁵ + 1 + 4 + 4² + 3¹³ .

It is a self number, because there is not a number n which added to its sum of digits gives 3221443.

It is not a weakly prime, because it can be changed into another prime (3221441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610721 + 1610722.

It is an arithmetic number, because the mean of its divisors is an integer number (1610722).

Almost surely, 2^3221443 is an apocalyptic number.

3221443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221443 is an equidigital number, since it uses as much as digits as its factorization.

3221443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 19.

The square root of 3221443 is about 1794.8378756868. The cubic root of 3221443 is about 147.6896803238.

Adding to 3221443 its reverse (3441223), we get a palindrome (6662666).

The spelling of 3221443 in words is "three million, two hundred twenty-one thousand, four hundred forty-three".