12224475 has 18 divisors (see below), whose sum is σ = 21895796. Its totient is φ = 6519600.

The previous prime is 12224473. The next prime is 12224483. The reversal of 12224475 is 57442221.

It is not a de Polignac number, because 12224475 - 2¹ = 12224473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26941 + ... + 27390.

Almost surely, 2^12224475 is an apocalyptic number.

12224475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12224475 is a deficient number, since it is larger than the sum of its proper divisors (9671321).

12224475 is a wasteful number, since it uses less digits than its factorization.

12224475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54347 (or 54339 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 12224475 is about 3496.3516699554. The cubic root of 12224475 is about 230.3615925381.

Adding to 12224475 its reverse (57442221), we get a palindrome (69666696).

The spelling of 12224475 in words is "twelve million, two hundred twenty-four thousand, four hundred seventy-five".