12223732 has 24 divisors (see below), whose sum is σ = 22296960. Its totient is φ = 5856480.

The previous prime is 12223721. The next prime is 12223751. The reversal of 12223732 is 23732221.

12223732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19057 + ... + 19687.

It is an arithmetic number, because the mean of its divisors is an integer number (929040).

Almost surely, 2^12223732 is an apocalyptic number.

It is an amenable number.

12223732 is a deficient number, since it is larger than the sum of its proper divisors (10073228).

12223732 is a wasteful number, since it uses less digits than its factorization.

12223732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 829 counting only the distinct ones).

The product of its digits is 1008, while the sum is 22.

The square root of 12223732 is about 3496.2454147271. The cubic root of 12223732 is about 230.3569253402.

Adding to 12223732 its reverse (23732221), we get a palindrome (35955953).

The spelling of 12223732 in words is "twelve million, two hundred twenty-three thousand, seven hundred thirty-two".