4220111223 has 24 divisors (see below), whose sum is σ = 6421612080. Its totient is φ = 2663228160.

The previous prime is 4220111219. The next prime is 4220111243. The reversal of 4220111223 is 3221110224.

It is a happy number.

It is not a de Polignac number, because 4220111223 - 2² = 4220111219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4220111196 and 4220111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220111243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223665 + ... + 241797.

It is an arithmetic number, because the mean of its divisors is an integer number (267567170).

Almost surely, 2^4220111223 is an apocalyptic number.

4220111223 is a deficient number, since it is larger than the sum of its proper divisors (2201500857).

4220111223 is a wasteful number, since it uses less digits than its factorization.

4220111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19519 (or 19516 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4220111223 is about 64962.3831382439. The cubic root of 4220111223 is about 1615.9997864537. Note that the first 3 decimals are identical.

Adding to 4220111223 its reverse (3221110224), we get a palindrome (7441221447).

Subtracting from 4220111223 its reverse (3221110224), we obtain a palindrome (999000999).

The spelling of 4220111223 in words is "four billion, two hundred twenty million, one hundred eleven thousand, two hundred twenty-three".