4322230021 has 2 divisors, whose sum is σ = 4322230022. Its totient is φ = 4322230020.

The previous prime is 4322230013. The next prime is 4322230037. The reversal of 4322230021 is 1200322234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3273441796 + 1048788225 = 57214^2 + 32385^2 .

It is a cyclic number.

It is not a de Polignac number, because 4322230021 - 2³ = 4322230013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4322230321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161115010 + 2161115011.

It is an arithmetic number, because the mean of its divisors is an integer number (2161115011).

Almost surely, 2^4322230021 is an apocalyptic number.

It is an amenable number.

4322230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4322230021 is an equidigital number, since it uses as much as digits as its factorization.

4322230021 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 4322230021 is about 65743.6690564194. The cubic root of 4322230021 is about 1628.9307628742.

Adding to 4322230021 its reverse (1200322234), we get a palindrome (5522552255).

The spelling of 4322230021 in words is "four billion, three hundred twenty-two million, two hundred thirty thousand, twenty-one".