223222111 has 8 divisors (see below), whose sum is σ = 255532064. Its totient is φ = 191017440.

The previous prime is 223222099. The next prime is 223222133. The reversal of 223222111 is 111222322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223222111 - 2⁹ = 223221599 is a prime.

It is a super-3 number, since 3×223222111³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223222141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21720 + ... + 30301.

It is an arithmetic number, because the mean of its divisors is an integer number (31941508).

Almost surely, 2^223222111 is an apocalyptic number.

223222111 is a deficient number, since it is larger than the sum of its proper divisors (32309953).

223222111 is an equidigital number, since it uses as much as digits as its factorization.

223222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52641.

The product of its digits is 96, while the sum is 16.

The square root of 223222111 is about 14940.6194985349. The cubic root of 223222111 is about 606.6139643802.

Adding to 223222111 its reverse (111222322), we get a palindrome (334444433).

The spelling of 223222111 in words is "two hundred twenty-three million, two hundred twenty-two thousand, one hundred eleven".