22433223 has 4 divisors (see below), whose sum is σ = 29910968. Its totient is φ = 14955480.

The previous prime is 22433221. The next prime is 22433237. The reversal of 22433223 is 32233422.

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

It is not a de Polignac number, because 22433223 - 2¹ = 22433221 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 22433223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22433221) 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, 3738868 + ... + 3738873.

It is an arithmetic number, because the mean of its divisors is an integer number (7477742).

Almost surely, 2^22433223 is an apocalyptic number.

22433223 is a deficient number, since it is larger than the sum of its proper divisors (7477745).

22433223 is an equidigital number, since it uses as much as digits as its factorization.

22433223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477744.

The product of its digits is 1728, while the sum is 21.

The square root of 22433223 is about 4736.3723460049. The cubic root of 22433223 is about 282.0312449661.

Adding to 22433223 its product of digits (1728), we get a triangular number (22434951 = T₆₆₉₈).

Adding to 22433223 its reverse (32233422), we get a palindrome (54666645).

The spelling of 22433223 in words is "twenty-two million, four hundred thirty-three thousand, two hundred twenty-three".