3220306393 has 8 divisors (see below), whose sum is σ = 3241801728. Its totient is φ = 3198881664.

The previous prime is 3220306373. The next prime is 3220306399. The reversal of 3220306393 is 3936030223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220306393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220306399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75496 + ... + 110182.

It is an arithmetic number, because the mean of its divisors is an integer number (405225216).

Almost surely, 2^3220306393 is an apocalyptic number.

It is an amenable number.

3220306393 is a deficient number, since it is larger than the sum of its proper divisors (21495335).

3220306393 is a wasteful number, since it uses less digits than its factorization.

3220306393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35303.

The product of its (nonzero) digits is 17496, while the sum is 31.

The square root of 3220306393 is about 56747.7435057994. The cubic root of 3220306393 is about 1476.7230872245.

The spelling of 3220306393 in words is "three billion, two hundred twenty million, three hundred six thousand, three hundred ninety-three".