4320022321 has 2 divisors, whose sum is σ = 4320022322. Its totient is φ = 4320022320.

The previous prime is 4320022313. The next prime is 4320022327. The reversal of 4320022321 is 1232200234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4164895296 + 155127025 = 64536^2 + 12455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320022321 - 2³ = 4320022313 is a prime.

It is not a weakly prime, because it can be changed into another prime (4320022327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160011160 + 2160011161.

It is an arithmetic number, because the mean of its divisors is an integer number (2160011161).

Almost surely, 2^4320022321 is an apocalyptic number.

It is an amenable number.

4320022321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320022321 is an equidigital number, since it uses as much as digits as its factorization.

4320022321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4320022321 is about 65726.8767020007. The cubic root of 4320022321 is about 1628.6533749760.

Adding to 4320022321 its reverse (1232200234), we get a palindrome (5552222555).

The spelling of 4320022321 in words is "four billion, three hundred twenty million, twenty-two thousand, three hundred twenty-one".