12224473 has 2 divisors, whose sum is σ = 12224474. Its totient is φ = 12224472.

The previous prime is 12224413. The next prime is 12224483. The reversal of 12224473 is 37442221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6692569 + 5531904 = 2587^2 + 2352^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224473 - 2²¹ = 10127321 is a prime.

It is not a weakly prime, because it can be changed into another prime (12224413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112236 + 6112237.

It is an arithmetic number, because the mean of its divisors is an integer number (6112237).

Almost surely, 2^12224473 is an apocalyptic number.

It is an amenable number.

12224473 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224473 is an equidigital number, since it uses as much as digits as its factorization.

12224473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 25.

The square root of 12224473 is about 3496.3513839430. The cubic root of 12224473 is about 230.3615799753.

Adding to 12224473 its reverse (37442221), we get a palindrome (49666694).

The spelling of 12224473 in words is "twelve million, two hundred twenty-four thousand, four hundred seventy-three".