3220366243 has 4 divisors (see below), whose sum is σ = 3225152008. Its totient is φ = 3215580480.

The previous prime is 3220366213. The next prime is 3220366291. The reversal of 3220366243 is 3426630223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3220366243 - 2²¹ = 3218269091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220366213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391873 + ... + 2393218.

It is an arithmetic number, because the mean of its divisors is an integer number (806288002).

Almost surely, 2^3220366243 is an apocalyptic number.

3220366243 is a deficient number, since it is larger than the sum of its proper divisors (4785765).

3220366243 is an equidigital number, since it uses as much as digits as its factorization.

3220366243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785764.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 3220366243 is about 56748.2708370925. The cubic root of 3220366243 is about 1476.7322355599.

Adding to 3220366243 its reverse (3426630223), we get a palindrome (6646996466).

The spelling of 3220366243 in words is "three billion, two hundred twenty million, three hundred sixty-six thousand, two hundred forty-three".