3233541221 has 2 divisors, whose sum is σ = 3233541222. Its totient is φ = 3233541220.

The previous prime is 3233541169. The next prime is 3233541229. The reversal of 3233541221 is 1221453323.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2202424900 + 1031116321 = 46930^2 + 32111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3233541221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3233541229) 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, 1616770610 + 1616770611.

It is an arithmetic number, because the mean of its divisors is an integer number (1616770611).

Almost surely, 2^3233541221 is an apocalyptic number.

It is an amenable number.

3233541221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3233541221 is an equidigital number, since it uses as much as digits as its factorization.

3233541221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 3233541221 is about 56864.2349900181. The cubic root of 3233541221 is about 1478.7433362734.

Adding to 3233541221 its reverse (1221453323), we get a palindrome (4454994544).

The spelling of 3233541221 in words is "three billion, two hundred thirty-three million, five hundred forty-one thousand, two hundred twenty-one".