12224164 has 6 divisors (see below), whose sum is σ = 21392294. Its totient is φ = 6112080.

The previous prime is 12224159. The next prime is 12224189. The reversal of 12224164 is 46142221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6502500 + 5721664 = 2550^2 + 2392^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1528017 + ... + 1528024.

Almost surely, 2^12224164 is an apocalyptic number.

It is an amenable number.

12224164 is a deficient number, since it is larger than the sum of its proper divisors (9168130).

12224164 is a wasteful number, since it uses less digits than its factorization.

12224164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056045 (or 3056043 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 12224164 is about 3496.3071947413. The cubic root of 12224164 is about 230.3596389965.

Adding to 12224164 its reverse (46142221), we get a palindrome (58366385).

The spelling of 12224164 in words is "twelve million, two hundred twenty-four thousand, one hundred sixty-four".