223220111 has 8 divisors (see below), whose sum is σ = 224462544. Its totient is φ = 221981760.

The previous prime is 223220027. The next prime is 223220141. The reversal of 223220111 is 111022322.

It is a happy number.

223220111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223220111 is a prime.

It is a super-3 number, since 3×223220111³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223220141) 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, 203681 + ... + 204773.

It is an arithmetic number, because the mean of its divisors is an integer number (28057818).

Almost surely, 2^223220111 is an apocalyptic number.

223220111 is a deficient number, since it is larger than the sum of its proper divisors (1242433).

223220111 is a wasteful number, since it uses less digits than its factorization.

223220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 223220111 is about 14940.5525667560. The cubic root of 223220111 is about 606.6121526846.

Adding to 223220111 its reverse (111022322), we get a palindrome (334242433).

The spelling of 223220111 in words is "two hundred twenty-three million, two hundred twenty thousand, one hundred eleven".