12229424 has 10 divisors (see below), whose sum is σ = 23694540. Its totient is φ = 6114704.

The previous prime is 12229423. The next prime is 12229429. The reversal of 12229424 is 42492221.

It is a happy number.

12229424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12229424² = 299117622743552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12229393 and 12229402.

It is not an unprimeable number, because it can be changed into a prime (12229421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382154 + ... + 382185.

It is an arithmetic number, because the mean of its divisors is an integer number (2369454).

Almost surely, 2^12229424 is an apocalyptic number.

It is an amenable number.

12229424 is a deficient number, since it is larger than the sum of its proper divisors (11465116).

12229424 is an equidigital number, since it uses as much as digits as its factorization.

12229424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764347 (or 764341 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12229424 is about 3497.0593360708. The cubic root of 12229424 is about 230.3926751465.

The spelling of 12229424 in words is "twelve million, two hundred twenty-nine thousand, four hundred twenty-four".