22123232 has 24 divisors (see below), whose sum is σ = 43759800. Its totient is φ = 11009664.

The previous prime is 22123187. The next prime is 22123237. The reversal of 22123232 is 23232122.

It is a self number, because there is not a number n which added to its sum of digits gives 22123232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123237) 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, 5819 + ... + 8837.

It is an arithmetic number, because the mean of its divisors is an integer number (1823325).

Almost surely, 2^22123232 is an apocalyptic number.

It is an amenable number.

22123232 is a deficient number, since it is larger than the sum of its proper divisors (21636568).

22123232 is a wasteful number, since it uses less digits than its factorization.

22123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258 (or 3250 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 22123232 is about 4703.5339905224. The cubic root of 22123232 is about 280.7261424300.

Adding to 22123232 its reverse (23232122), we get a palindrome (45355354).

The spelling of 22123232 in words is "twenty-two million, one hundred twenty-three thousand, two hundred thirty-two".