3220000321 has 4 divisors (see below), whose sum is σ = 3223276992. Its totient is φ = 3216723652.

The previous prime is 3220000271. The next prime is 3220000339. The reversal of 3220000321 is 1230000223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3220000321 - 2¹¹ = 3219998273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220000361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636861 + ... + 1638826.

It is an arithmetic number, because the mean of its divisors is an integer number (805819248).

Almost surely, 2^3220000321 is an apocalyptic number.

It is an amenable number.

3220000321 is a deficient number, since it is larger than the sum of its proper divisors (3276671).

3220000321 is an equidigital number, since it uses as much as digits as its factorization.

3220000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276670.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3220000321 is about 56745.0466648852. The cubic root of 3220000321 is about 1476.6763010025.

Adding to 3220000321 its reverse (1230000223), we get a palindrome (4450000544).

The spelling of 3220000321 in words is "three billion, two hundred twenty million, three hundred twenty-one", and thus it is an aban number.