3290238221 has 2 divisors, whose sum is σ = 3290238222. Its totient is φ = 3290238220.

The previous prime is 3290238179. The next prime is 3290238229. The reversal of 3290238221 is 1228320923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2794285321 + 495952900 = 52861^2 + 22270^2 .

It is an emirp because it is prime and its reverse (1228320923) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3290238221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3290238229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645119110 + 1645119111.

It is an arithmetic number, because the mean of its divisors is an integer number (1645119111).

Almost surely, 2^3290238221 is an apocalyptic number.

It is an amenable number.

3290238221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3290238221 is an equidigital number, since it uses as much as digits as its factorization.

3290238221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3290238221 is about 57360.5981576204. The cubic root of 3290238221 is about 1487.3360837762.

The spelling of 3290238221 in words is "three billion, two hundred ninety million, two hundred thirty-eight thousand, two hundred twenty-one".