22233223 has 4 divisors (see below), whose sum is σ = 22346280. Its totient is φ = 22120168.

The previous prime is 22233217. The next prime is 22233257. The reversal of 22233223 is 32233222.

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

It is a cyclic number.

It is not a de Polignac number, because 22233223 - 2¹⁷ = 22102151 is a prime.

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 22233223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233283) 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, 56233 + ... + 56626.

It is an arithmetic number, because the mean of its divisors is an integer number (5586570).

Almost surely, 2^22233223 is an apocalyptic number.

22233223 is a deficient number, since it is larger than the sum of its proper divisors (113057).

22233223 is a wasteful number, since it uses less digits than its factorization.

22233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113056.

The product of its digits is 864, while the sum is 19.

The square root of 22233223 is about 4715.2118722280. The cubic root of 22233223 is about 281.1906061907.

Adding to 22233223 its reverse (32233222), we get a palindrome (54466445).

Subtracting 22233223 from its reverse (32233222), we obtain a palindrome (9999999).

The spelling of 22233223 in words is "twenty-two million, two hundred thirty-three thousand, two hundred twenty-three".