224222111 has 4 divisors (see below), whose sum is σ = 224702712. Its totient is φ = 223741512.

The previous prime is 224222099. The next prime is 224222123. The reversal of 224222111 is 111222422.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (224222099) and next prime (224222123).

It is a cyclic number.

It is not a de Polignac number, because 224222111 - 2¹⁴ = 224205727 is a prime.

It is a super-2 number, since 2×224222111² = 100551110122592642, which contains 22 as substring.

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 224222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224222611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239600 + ... + 240533.

It is an arithmetic number, because the mean of its divisors is an integer number (56175678).

Almost surely, 2^224222111 is an apocalyptic number.

224222111 is a deficient number, since it is larger than the sum of its proper divisors (480601).

224222111 is an equidigital number, since it uses as much as digits as its factorization.

224222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480600.

The product of its digits is 128, while the sum is 17.

The square root of 224222111 is about 14974.0479163117. The cubic root of 224222111 is about 607.5184601525.

Adding to 224222111 its reverse (111222422), we get a palindrome (335444533).

The spelling of 224222111 in words is "two hundred twenty-four million, two hundred twenty-two thousand, one hundred eleven".