12226799 has 4 divisors (see below), whose sum is σ = 13167336. Its totient is φ = 11286264.

The previous prime is 12226789. The next prime is 12226807. The reversal of 12226799 is 99762221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12226799 - 2¹² = 12222703 is a prime.

It is a super-2 number, since 2×12226799² = 298989227572802, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226789) 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, 470249 + ... + 470274.

It is an arithmetic number, because the mean of its divisors is an integer number (3291834).

Almost surely, 2^12226799 is an apocalyptic number.

12226799 is a deficient number, since it is larger than the sum of its proper divisors (940537).

12226799 is an equidigital number, since it uses as much as digits as its factorization.

12226799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940536.

The product of its digits is 27216, while the sum is 38.

The square root of 12226799 is about 3496.6840005926. The cubic root of 12226799 is about 230.3761896590.

The spelling of 12226799 in words is "twelve million, two hundred twenty-six thousand, seven hundred ninety-nine".