12224229 has 4 divisors (see below), whose sum is σ = 16298976. Its totient is φ = 8149484.

The previous prime is 12224221. The next prime is 12224257. The reversal of 12224229 is 92242221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12224229 - 2³ = 12224221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12224199 and 12224208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037369 + ... + 2037374.

It is an arithmetic number, because the mean of its divisors is an integer number (4074744).

Almost surely, 2^12224229 is an apocalyptic number.

It is an amenable number.

12224229 is a deficient number, since it is larger than the sum of its proper divisors (4074747).

12224229 is an equidigital number, since it uses as much as digits as its factorization.

12224229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074746.

The product of its digits is 1152, while the sum is 24.

The square root of 12224229 is about 3496.3164902508. The cubic root of 12224229 is about 230.3600472957.

The spelling of 12224229 in words is "twelve million, two hundred twenty-four thousand, two hundred twenty-nine".