221110223 has 8 divisors (see below), whose sum is σ = 225546768. Its totient is φ = 216683584.

The previous prime is 221110213. The next prime is 221110237. The reversal of 221110223 is 322011122.

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 221110223 - 2¹⁴ = 221093839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221110198 and 221110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110213) 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, 56240 + ... + 60042.

It is an arithmetic number, because the mean of its divisors is an integer number (28193346).

Almost surely, 2^221110223 is an apocalyptic number.

221110223 is a deficient number, since it is larger than the sum of its proper divisors (4436545).

221110223 is a wasteful number, since it uses less digits than its factorization.

221110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953.

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

The square root of 221110223 is about 14869.7754858639. The cubic root of 221110223 is about 604.6948560240.

Adding to 221110223 its reverse (322011122), we get a palindrome (543121345).

The spelling of 221110223 in words is "two hundred twenty-one million, one hundred ten thousand, two hundred twenty-three".