12221234 has 16 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 5821200.

The previous prime is 12221233. The next prime is 12221243. The reversal of 12221234 is 43212221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12221233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17084 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (1200420).

Almost surely, 2^12221234 is an apocalyptic number.

12221234 is a deficient number, since it is larger than the sum of its proper divisors (6985486).

12221234 is a wasteful number, since it uses less digits than its factorization.

12221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

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

The square root of 12221234 is about 3495.8881561057. Note that the first 3 decimals coincide. The cubic root of 12221234 is about 230.3412326205.

Adding to 12221234 its reverse (43212221), we get a palindrome (55433455).

The spelling of 12221234 in words is "twelve million, two hundred twenty-one thousand, two hundred thirty-four".