3220213361 has 2 divisors, whose sum is σ = 3220213362. Its totient is φ = 3220213360.

The previous prime is 3220213301. The next prime is 3220213387. The reversal of 3220213361 is 1633120223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3217044961 + 3168400 = 56719^2 + 1780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220213361 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3220213301) 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, 1610106680 + 1610106681.

It is an arithmetic number, because the mean of its divisors is an integer number (1610106681).

Almost surely, 2^3220213361 is an apocalyptic number.

It is an amenable number.

3220213361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220213361 is an equidigital number, since it uses as much as digits as its factorization.

3220213361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3220213361 is about 56746.9238020882. The cubic root of 3220213361 is about 1476.7088666495.

Adding to 3220213361 its reverse (1633120223), we get a palindrome (4853333584).

The spelling of 3220213361 in words is "three billion, two hundred twenty million, two hundred thirteen thousand, three hundred sixty-one".