12224552 has 16 divisors (see below), whose sum is σ = 23264160. Its totient is φ = 6020784.

The previous prime is 12224551. The next prime is 12224557. The reversal of 12224552 is 25542221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224551) 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, 10868 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (1454010).

Almost surely, 2^12224552 is an apocalyptic number.

It is an amenable number.

12224552 is a deficient number, since it is larger than the sum of its proper divisors (11039608).

12224552 is a wasteful number, since it uses less digits than its factorization.

12224552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22880 (or 22876 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 12224552 is about 3496.3626814162. The cubic root of 12224552 is about 230.3620762073.

Adding to 12224552 its reverse (25542221), we get a palindrome (37766773).

The spelling of 12224552 in words is "twelve million, two hundred twenty-four thousand, five hundred fifty-two".