3208221413 has 2 divisors, whose sum is σ = 3208221414. Its totient is φ = 3208221412.

The previous prime is 3208221409. The next prime is 3208221427. The reversal of 3208221413 is 3141228023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2514320449 + 693900964 = 50143^2 + 26342^2 .

It is a cyclic number.

It is not a de Polignac number, because 3208221413 - 2² = 3208221409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3208221433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1604110706 + 1604110707.

It is an arithmetic number, because the mean of its divisors is an integer number (1604110707).

Almost surely, 2^3208221413 is an apocalyptic number.

It is an amenable number.

3208221413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3208221413 is an equidigital number, since it uses as much as digits as its factorization.

3208221413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3208221413 is about 56641.1635915083. The cubic root of 3208221413 is about 1474.8735179105.

Adding to 3208221413 its reverse (3141228023), we get a palindrome (6349449436).

The spelling of 3208221413 in words is "three billion, two hundred eight million, two hundred twenty-one thousand, four hundred thirteen".