4224232321 has 4 divisors (see below), whose sum is σ = 4224362544. Its totient is φ = 4224102100.

The previous prime is 4224232319. The next prime is 4224232333. The reversal of 4224232321 is 1232324224.

4224232321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4224232321 - 2¹ = 4224232319 is a prime.

It is a super-3 number, since 3×4224232321³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4224232121) 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 in 3 ways as a sum of consecutive naturals, for example, 26706 + ... + 95716.

It is an arithmetic number, because the mean of its divisors is an integer number (1056090636).

Almost surely, 2^4224232321 is an apocalyptic number.

It is an amenable number.

4224232321 is a deficient number, since it is larger than the sum of its proper divisors (130223).

4224232321 is an equidigital number, since it uses as much as digits as its factorization.

4224232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130222.

The product of its digits is 4608, while the sum is 25.

The square root of 4224232321 is about 64994.0945086552. The cubic root of 4224232321 is about 1616.5256435933.

Adding to 4224232321 its reverse (1232324224), we get a palindrome (5456556545).

The spelling of 4224232321 in words is "four billion, two hundred twenty-four million, two hundred thirty-two thousand, three hundred twenty-one".