3233543221 has 2 divisors, whose sum is σ = 3233543222. Its totient is φ = 3233543220.

The previous prime is 3233543219. The next prime is 3233543227. The reversal of 3233543221 is 1223453323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2664004996 + 569538225 = 51614^2 + 23865^2 .

It is a cyclic number.

It is not a de Polignac number, because 3233543221 - 2¹ = 3233543219 is a prime.

Together with 3233543219, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3233543221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3233543227) 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 as a sum of consecutive naturals, namely, 1616771610 + 1616771611.

It is an arithmetic number, because the mean of its divisors is an integer number (1616771611).

Almost surely, 2^3233543221 is an apocalyptic number.

It is an amenable number.

3233543221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3233543221 is an equidigital number, since it uses as much as digits as its factorization.

3233543221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 28.

The square root of 3233543221 is about 56864.2525757615. The cubic root of 3233543221 is about 1478.7436411493.

Adding to 3233543221 its reverse (1223453323), we get a palindrome (4456996544).

The spelling of 3233543221 in words is "three billion, two hundred thirty-three million, five hundred forty-three thousand, two hundred twenty-one".