3220214321 has 2 divisors, whose sum is σ = 3220214322. Its totient is φ = 3220214320.

The previous prime is 3220214279. The next prime is 3220214363. The reversal of 3220214321 is 1234120223.

It is a balanced prime because it is at equal distance from previous prime (3220214279) and next prime (3220214363).

It can be written as a sum of positive squares in only one way, i.e., 3044280625 + 175933696 = 55175^2 + 13264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220214321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3220214293 and 3220214302.

It is not a weakly prime, because it can be changed into another prime (3220214381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610107160 + 1610107161.

It is an arithmetic number, because the mean of its divisors is an integer number (1610107161).

Almost surely, 2^3220214321 is an apocalyptic number.

It is an amenable number.

3220214321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220214321 is an equidigital number, since it uses as much as digits as its factorization.

3220214321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3220214321 is about 56746.9322606958. The cubic root of 3220214321 is about 1476.7090133935.

Adding to 3220214321 its reverse (1234120223), we get a palindrome (4454334544).

The spelling of 3220214321 in words is "three billion, two hundred twenty million, two hundred fourteen thousand, three hundred twenty-one".