12223274 has 8 divisors (see below), whose sum is σ = 20954208. Its totient is φ = 5238540.

The previous prime is 12223273. The next prime is 12223303. The reversal of 12223274 is 47232221.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (12223271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436532 + ... + 436559.

It is an arithmetic number, because the mean of its divisors is an integer number (2619276).

Almost surely, 2^12223274 is an apocalyptic number.

12223274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12223274 is a deficient number, since it is larger than the sum of its proper divisors (8730934).

12223274 is an equidigital number, since it uses as much as digits as its factorization.

12223274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873100.

The product of its digits is 1344, while the sum is 23.

The square root of 12223274 is about 3496.1799152790. The cubic root of 12223274 is about 230.3540482923.

Adding to 12223274 its reverse (47232221), we get a palindrome (59455495).

The spelling of 12223274 in words is "twelve million, two hundred twenty-three thousand, two hundred seventy-four".