3221412217 has 2 divisors, whose sum is σ = 3221412218. Its totient is φ = 3221412216.

The previous prime is 3221412203. The next prime is 3221412253. The reversal of 3221412217 is 7122141223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2550654016 + 670758201 = 50504^2 + 25899^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221412217 - 2²³ = 3213023609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221412191 and 3221412200.

It is not a weakly prime, because it can be changed into another prime (3221412317) 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, 1610706108 + 1610706109.

It is an arithmetic number, because the mean of its divisors is an integer number (1610706109).

Almost surely, 2^3221412217 is an apocalyptic number.

It is an amenable number.

3221412217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221412217 is an equidigital number, since it uses as much as digits as its factorization.

3221412217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 3221412217 is about 56757.4859996459. The cubic root of 3221412217 is about 1476.8920989839.

The spelling of 3221412217 in words is "three billion, two hundred twenty-one million, four hundred twelve thousand, two hundred seventeen".