3242144221 has 2 divisors, whose sum is σ = 3242144222. Its totient is φ = 3242144220.

The previous prime is 3242144209. The next prime is 3242144251. The reversal of 3242144221 is 1224412423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2803702500 + 438441721 = 52950^2 + 20939^2 .

It is a cyclic number.

It is not a de Polignac number, because 3242144221 - 2⁵ = 3242144189 is a prime.

It is a super-2 number, since 2×3242144221² = 21022998299527393682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3242144201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621072110 + 1621072111.

It is an arithmetic number, because the mean of its divisors is an integer number (1621072111).

Almost surely, 2^3242144221 is an apocalyptic number.

It is an amenable number.

3242144221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3242144221 is an equidigital number, since it uses as much as digits as its factorization.

3242144221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 3242144221 is about 56939.8298293910. The cubic root of 3242144221 is about 1480.0535987711.

Adding to 3242144221 its reverse (1224412423), we get a palindrome (4466556644).

The spelling of 3242144221 in words is "three billion, two hundred forty-two million, one hundred forty-four thousand, two hundred twenty-one".