3282642221 has 2 divisors, whose sum is σ = 3282642222. Its totient is φ = 3282642220.

The previous prime is 3282642199. The next prime is 3282642247. The reversal of 3282642221 is 1222462823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3184909225 + 97732996 = 56435^2 + 9886^2 .

It is an emirp because it is prime and its reverse (1222462823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3282642221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3282642721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641321110 + 1641321111.

It is an arithmetic number, because the mean of its divisors is an integer number (1641321111).

Almost surely, 2^3282642221 is an apocalyptic number.

It is an amenable number.

3282642221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3282642221 is an equidigital number, since it uses as much as digits as its factorization.

3282642221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 32.

The square root of 3282642221 is about 57294.3471993529. The cubic root of 3282642221 is about 1486.1906236284.

The spelling of 3282642221 in words is "three billion, two hundred eighty-two million, six hundred forty-two thousand, two hundred twenty-one".