12226563 has 6 divisors (see below), whose sum is σ = 17660604. Its totient is φ = 8151036.

The previous prime is 12226561. The next prime is 12226573. The reversal of 12226563 is 36562221.

12226563 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 656 + 3 = 666.

It is not a de Polignac number, because 12226563 - 2¹ = 12226561 is a prime.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12226561) 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, 679245 + ... + 679262.

It is an arithmetic number, because the mean of its divisors is an integer number (2943434).

Almost surely, 2^12226563 is an apocalyptic number.

12226563 is a deficient number, since it is larger than the sum of its proper divisors (5434041).

12226563 is a wasteful number, since it uses less digits than its factorization.

12226563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358513 (or 1358510 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 12226563 is about 3496.6502541718. The cubic root of 12226563 is about 230.3747074196.

Adding to 12226563 its reverse (36562221), we get a palindrome (48788784).

The spelling of 12226563 in words is "twelve million, two hundred twenty-six thousand, five hundred sixty-three".