12212234 has 8 divisors (see below), whose sum is σ = 18335460. Its totient is φ = 6100416.

The previous prime is 12212201. The next prime is 12212237. The reversal of 12212234 is 43221221.

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 1682209 = 3245^2 + 1297^2 .

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

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12212237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722 + ... + 4994.

Almost surely, 2^12212234 is an apocalyptic number.

12212234 is a deficient number, since it is larger than the sum of its proper divisors (6123226).

12212234 is a wasteful number, since it uses less digits than its factorization.

12212234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704.

The product of its digits is 192, while the sum is 17.

The square root of 12212234 is about 3494.6006924969. The cubic root of 12212234 is about 230.2846758607.

Adding to 12212234 its reverse (43221221), we get a palindrome (55433455).

The spelling of 12212234 in words is "twelve million, two hundred twelve thousand, two hundred thirty-four".