3222305665 has 32 divisors (see below), whose sum is σ = 4167313920. Its totient is φ = 2384216064.

The previous prime is 3222305659. The next prime is 3222305699. The reversal of 3222305665 is 5665032223.

It is not a de Polignac number, because 3222305665 - 2³¹ = 1074822017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3222305665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2647137 + ... + 2648353.

It is an arithmetic number, because the mean of its divisors is an integer number (130228560).

Almost surely, 2^3222305665 is an apocalyptic number.

It is an amenable number.

3222305665 is a deficient number, since it is larger than the sum of its proper divisors (945008255).

3222305665 is a wasteful number, since it uses less digits than its factorization.

3222305665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 3222305665 is about 56765.3562042907. The cubic root of 3222305665 is about 1477.0286234058.

Adding to 3222305665 its reverse (5665032223), we get a palindrome (8887337888).

The spelling of 3222305665 in words is "three billion, two hundred twenty-two million, three hundred five thousand, six hundred sixty-five".