12230226 has 24 divisors (see below), whose sum is σ = 26614224. Its totient is φ = 4059000.

The previous prime is 12230221. The next prime is 12230233. The reversal of 12230226 is 62203221.

It is a super-2 number, since 2×12230226² = 299156856022152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12230199 and 12230208.

It is not an unprimeable number, because it can be changed into a prime (12230221) 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 11 ways as a sum of consecutive naturals, for example, 3165 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (1108926).

Almost surely, 2^12230226 is an apocalyptic number.

12230226 is an abundant number, since it is smaller than the sum of its proper divisors (14383998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12230226 is a wasteful number, since it uses less digits than its factorization.

12230226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12230226 is about 3497.1740019622. The cubic root of 12230226 is about 230.3977113850.

Adding to 12230226 its reverse (62203221), we get a palindrome (74433447).

The spelling of 12230226 in words is "twelve million, two hundred thirty thousand, two hundred twenty-six".