12226221603 has 6 divisors (see below), whose sum is σ = 17660097884. Its totient is φ = 8150814396.

The previous prime is 12226221559. The next prime is 12226221641. The reversal of 12226221603 is 30612262221.

It is a happy number.

12226221603 is a `hidden beast` number, since 1 + 2 + 22 + 622 + 16 + 0 + 3 = 666.

It is not a de Polignac number, because 12226221603 - 2²⁰ = 12225173027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12226221673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 679234525 + ... + 679234542.

Almost surely, 2^12226221603 is an apocalyptic number.

12226221603 is a deficient number, since it is larger than the sum of its proper divisors (5433876281).

12226221603 is a wasteful number, since it uses less digits than its factorization.

12226221603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358469073 (or 1358469070 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12226221603 its reverse (30612262221), we get a palindrome (42838483824).

The spelling of 12226221603 in words is "twelve billion, two hundred twenty-six million, two hundred twenty-one thousand, six hundred three".