12224173 has 8 divisors (see below), whose sum is σ = 13939128. Its totient is φ = 10619904.

The previous prime is 12224159. The next prime is 12224189. The reversal of 12224173 is 37142221.

It can be written as a sum of positive squares in 4 ways, for example, as 3912484 + 8311689 = 1978^2 + 2883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12224173 - 2²¹ = 10127021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27436 + ... + 27877.

It is an arithmetic number, because the mean of its divisors is an integer number (1742391).

Almost surely, 2^12224173 is an apocalyptic number.

12224173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12224173 is a deficient number, since it is larger than the sum of its proper divisors (1714955).

12224173 is a wasteful number, since it uses less digits than its factorization.

12224173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55343.

The product of its digits is 672, while the sum is 22.

The square root of 12224173 is about 3496.3084818134. The cubic root of 12224173 is about 230.3596955303.

Adding to 12224173 its reverse (37142221), we get a palindrome (49366394).

The spelling of 12224173 in words is "twelve million, two hundred twenty-four thousand, one hundred seventy-three".