4221440223 has 64 divisors (see below), whose sum is σ = 7761718272. Its totient is φ = 1969505280.

The previous prime is 4221440189. The next prime is 4221440233. The reversal of 4221440223 is 3220441224.

4221440223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4221440223 - 2¹⁸ = 4221178079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4221440193 and 4221440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221440233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92115 + ... + 130107.

It is an arithmetic number, because the mean of its divisors is an integer number (121276848).

Almost surely, 2^4221440223 is an apocalyptic number.

4221440223 is a deficient number, since it is larger than the sum of its proper divisors (3540278049).

4221440223 is a wasteful number, since it uses less digits than its factorization.

4221440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38064.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4221440223 is about 64972.6113296980. The cubic root of 4221440223 is about 1616.1694058622.

Adding to 4221440223 its reverse (3220441224), we get a palindrome (7441881447).

It can be divided in two parts, 4221 and 440223, that added together give a palindrome (444444).

The spelling of 4221440223 in words is "four billion, two hundred twenty-one million, four hundred forty thousand, two hundred twenty-three".