3317221393 has 2 divisors, whose sum is σ = 3317221394. Its totient is φ = 3317221392.

The previous prime is 3317221379. The next prime is 3317221447. The reversal of 3317221393 is 3931227133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1933976529 + 1383244864 = 43977^2 + 37192^2 .

It is a cyclic number.

It is not a de Polignac number, because 3317221393 - 2⁵ = 3317221361 is a prime.

It is a super-2 number, since 2×3317221393² = 22007915540353720898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3317221363) 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, 1658610696 + 1658610697.

It is an arithmetic number, because the mean of its divisors is an integer number (1658610697).

Almost surely, 2^3317221393 is an apocalyptic number.

It is an amenable number.

3317221393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3317221393 is an equidigital number, since it uses as much as digits as its factorization.

3317221393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 34.

The square root of 3317221393 is about 57595.3244022464. The cubic root of 3317221393 is about 1491.3908897141.

The spelling of 3317221393 in words is "three billion, three hundred seventeen million, two hundred twenty-one thousand, three hundred ninety-three".