12225214226 has 16 divisors (see below), whose sum is σ = 18483806880. Its totient is φ = 6063975840.

The previous prime is 12225214223. The next prime is 12225214231. The reversal of 12225214226 is 62241252221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12225214223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120385 + ... + 1131243.

It is an arithmetic number, because the mean of its divisors is an integer number (1155237930).

Almost surely, 2^12225214226 is an apocalyptic number.

12225214226 is a deficient number, since it is larger than the sum of its proper divisors (6258592654).

12225214226 is a wasteful number, since it uses less digits than its factorization.

12225214226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15289.

The product of its digits is 7680, while the sum is 29.

Adding to 12225214226 its reverse (62241252221), we get a palindrome (74466466447).

The spelling of 12225214226 in words is "twelve billion, two hundred twenty-five million, two hundred fourteen thousand, two hundred twenty-six".