22133223 has 32 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 12558240.

The previous prime is 22133203. The next prime is 22133263. The reversal of 22133223 is 32233122.

It is a happy number.

It is not a de Polignac number, because 22133223 - 2⁵ = 22133191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22133196 and 22133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33886 + ... + 34532.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^22133223 is an apocalyptic number.

22133223 is a deficient number, since it is larger than the sum of its proper divisors (15606297).

22133223 is a wasteful number, since it uses less digits than its factorization.

22133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 22133223 is about 4704.5959443931. The cubic root of 22133223 is about 280.7683953399.

Adding to 22133223 its reverse (32233122), we get a palindrome (54366345).

The spelling of 22133223 in words is "twenty-two million, one hundred thirty-three thousand, two hundred twenty-three".