12226474 has 24 divisors (see below), whose sum is σ = 20218572. Its totient is φ = 5541120.

The previous prime is 12226471. The next prime is 12226477. The reversal of 12226474 is 47462221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12226471) and next prime (12226477).

It can be written as a sum of positive squares in 6 ways, for example, as 275625 + 11950849 = 525^2 + 3457^2 .

It is not an unprimeable number, because it can be changed into a prime (12226471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20322 + ... + 20914.

Almost surely, 2^12226474 is an apocalyptic number.

12226474 is a deficient number, since it is larger than the sum of its proper divisors (7992098).

12226474 is a wasteful number, since it uses less digits than its factorization.

12226474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 669 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 12226474 is about 3496.6375276828. The cubic root of 12226474 is about 230.3741484345.

Adding to 12226474 its reverse (47462221), we get a palindrome (59688695).

The spelling of 12226474 in words is "twelve million, two hundred twenty-six thousand, four hundred seventy-four".