4221111223 has 6 divisors (see below), whose sum is σ = 4910272296. Its totient is φ = 3618095292.

The previous prime is 4221111221. The next prime is 4221111259. The reversal of 4221111223 is 3221111224.

It is not a de Polignac number, because 4221111223 - 2¹ = 4221111221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4221111223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221111221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43072515 + ... + 43072612.

It is an arithmetic number, because the mean of its divisors is an integer number (818378716).

Almost surely, 2^4221111223 is an apocalyptic number.

4221111223 is a deficient number, since it is larger than the sum of its proper divisors (689161073).

4221111223 is an equidigital number, since it uses as much as digits as its factorization.

4221111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86145141 (or 86145134 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 4221111223 is about 64970.0794443104. The cubic root of 4221111223 is about 1616.1274191214.

Adding to 4221111223 its reverse (3221111224), we get a palindrome (7442222447).

Subtracting from 4221111223 its reverse (3221111224), we obtain a palindrome (999999999).

The spelling of 4221111223 in words is "four billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-three".