10443221 has 2 divisors, whose sum is σ = 10443222. Its totient is φ = 10443220.

The previous prime is 10443137. The next prime is 10443229. The reversal of 10443221 is 12234401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8151025 + 2292196 = 2855^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 10443221 - 2¹⁰ = 10442197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10443221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10443229) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5221610 + 5221611.

It is an arithmetic number, because the mean of its divisors is an integer number (5221611).

Almost surely, 2^10443221 is an apocalyptic number.

It is an amenable number.

10443221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10443221 is an equidigital number, since it uses as much as digits as its factorization.

10443221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 10443221 is about 3231.5972830784. The cubic root of 10443221 is about 218.5805374884.

Adding to 10443221 its reverse (12234401), we get a palindrome (22677622).

The spelling of 10443221 in words is "ten million, four hundred forty-three thousand, two hundred twenty-one".