22123233 has 16 divisors (see below), whose sum is σ = 35755200. Its totient is φ = 13407840.

The previous prime is 22123187. The next prime is 22123237. The reversal of 22123233 is 33232122.

It is a happy number.

It is not a de Polignac number, because 22123233 - 2⁶ = 22123169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22123237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36948 + ... + 37541.

It is an arithmetic number, because the mean of its divisors is an integer number (2234700).

Almost surely, 2^22123233 is an apocalyptic number.

It is an amenable number.

22123233 is a deficient number, since it is larger than the sum of its proper divisors (13631967).

22123233 is a wasteful number, since it uses less digits than its factorization.

22123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74509 (or 74503 counting only the distinct ones).

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

The square root of 22123233 is about 4703.5340968255. The cubic root of 22123233 is about 280.7261466598.

Adding to 22123233 its reverse (33232122), we get a palindrome (55355355).

Subtracting 22123233 from its reverse (33232122), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2212 and 3233, that added together give a palindrome (5445).

The spelling of 22123233 in words is "twenty-two million, one hundred twenty-three thousand, two hundred thirty-three".