4224434221 has 16 divisors (see below), whose sum is σ = 4953610368. Its totient is φ = 3526963200.

The previous prime is 4224434177. The next prime is 4224434231. The reversal of 4224434221 is 1224344224.

It is a cyclic number.

It is not a de Polignac number, because 4224434221 - 2⁹ = 4224433709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4224434221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224434231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172486 + ... + 195448.

It is an arithmetic number, because the mean of its divisors is an integer number (309600648).

Almost surely, 2^4224434221 is an apocalyptic number.

4224434221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4224434221 is a deficient number, since it is larger than the sum of its proper divisors (729176147).

4224434221 is a wasteful number, since it uses less digits than its factorization.

4224434221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23652.

The product of its digits is 12288, while the sum is 28.

The square root of 4224434221 is about 64995.6477081350. The cubic root of 4224434221 is about 1616.5513974899.

Adding to 4224434221 its reverse (1224344224), we get a palindrome (5448778445).

The spelling of 4224434221 in words is "four billion, two hundred twenty-four million, four hundred thirty-four thousand, two hundred twenty-one".