3233221 has 2 divisors, whose sum is σ = 3233222. Its totient is φ = 3233220.

The previous prime is 3233201. The next prime is 3233227. The reversal of 3233221 is 1223323.

3233221 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., 2842596 + 390625 = 1686^2 + 625^2 .

It is an emirp because it is prime and its reverse (1223323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3233221 - 2⁷ = 3233093 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3233195 and 3233204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3233227) 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, 1616610 + 1616611.

It is an arithmetic number, because the mean of its divisors is an integer number (1616611).

Almost surely, 2^3233221 is an apocalyptic number.

It is an amenable number.

3233221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3233221 is an equidigital number, since it uses as much as digits as its factorization.

3233221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 16.

The square root of 3233221 is about 1798.1159584409. The cubic root of 3233221 is about 147.8694520824.

Adding to 3233221 its reverse (1223323), we get a palindrome (4456544).

It can be divided in two parts, 323322 and 1, that added together give a palindrome (323323).

The spelling of 3233221 in words is "three million, two hundred thirty-three thousand, two hundred twenty-one".