4224301421 has 4 divisors (see below), whose sum is σ = 4228849500. Its totient is φ = 4219753344.

The previous prime is 4224301379. The next prime is 4224301451. The reversal of 4224301421 is 1241034224.

4224301421 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.

It can be written as a sum of positive squares in 2 ways, for example, as 52562500 + 4171738921 = 7250^2 + 64589^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224301421 - 2¹⁸ = 4224039277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224301451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272646 + ... + 2274503.

It is an arithmetic number, because the mean of its divisors is an integer number (1057212375).

Almost surely, 2^4224301421 is an apocalyptic number.

It is an amenable number.

4224301421 is a deficient number, since it is larger than the sum of its proper divisors (4548079).

4224301421 is an equidigital number, since it uses as much as digits as its factorization.

4224301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548078.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4224301421 is about 64994.6260932394. The cubic root of 4224301421 is about 1616.5344579217.

Adding to 4224301421 its reverse (1241034224), we get a palindrome (5465335645).

The spelling of 4224301421 in words is "four billion, two hundred twenty-four million, three hundred one thousand, four hundred twenty-one".