3234221 has 2 divisors, whose sum is σ = 3234222. Its totient is φ = 3234220.

The previous prime is 3234197. The next prime is 3234227. The reversal of 3234221 is 1224323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2449225 + 784996 = 1565^2 + 886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3234221 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3234221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3234227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617110 + 1617111.

It is an arithmetic number, because the mean of its divisors is an integer number (1617111).

Almost surely, 2^3234221 is an apocalyptic number.

It is an amenable number.

3234221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3234221 is an equidigital number, since it uses as much as digits as its factorization.

3234221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 17.

The square root of 3234221 is about 1798.3940057729. The cubic root of 3234221 is about 147.8846953141.

Adding to 3234221 its reverse (1224323), we get a palindrome (4458544).

The spelling of 3234221 in words is "three million, two hundred thirty-four thousand, two hundred twenty-one".