12223234 has 4 divisors (see below), whose sum is σ = 18334854. Its totient is φ = 6111616.

The previous prime is 12223199. The next prime is 12223271. The reversal of 12223234 is 43232221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 5736025 = 2547^2 + 2395^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055807 + ... + 3055810.

Almost surely, 2^12223234 is an apocalyptic number.

12223234 is a deficient number, since it is larger than the sum of its proper divisors (6111620).

12223234 is an equidigital number, since it uses as much as digits as its factorization.

12223234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111619.

The product of its digits is 576, while the sum is 19.

The square root of 12223234 is about 3496.1741947449. The cubic root of 12223234 is about 230.3537970183.

Adding to 12223234 its reverse (43232221), we get a palindrome (55455455).

The spelling of 12223234 in words is "twelve million, two hundred twenty-three thousand, two hundred thirty-four".