22230223 has 4 divisors (see below), whose sum is σ = 22434280. Its totient is φ = 22026168.

The previous prime is 22230149. The next prime is 22230227. The reversal of 22230223 is 32203222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22230223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22230197 and 22230206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101865 + ... + 102082.

It is an arithmetic number, because the mean of its divisors is an integer number (5608570).

Almost surely, 2^22230223 is an apocalyptic number.

22230223 is a deficient number, since it is larger than the sum of its proper divisors (204057).

22230223 is a wasteful number, since it uses less digits than its factorization.

22230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204056.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22230223 is about 4714.8937421749. The cubic root of 22230223 is about 281.1779583054.

Adding to 22230223 its reverse (32203222), we get a palindrome (54433445).

The spelling of 22230223 in words is "twenty-two million, two hundred thirty thousand, two hundred twenty-three".