14226478 has 32 divisors (see below), whose sum is σ = 26035200. Its totient is φ = 5694624.

The previous prime is 14226473. The next prime is 14226503. The reversal of 14226478 is 87462241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14226473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20676 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (813600).

Almost surely, 2^14226478 is an apocalyptic number.

14226478 is a deficient number, since it is larger than the sum of its proper divisors (11808722).

14226478 is a wasteful number, since it uses less digits than its factorization.

14226478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its digits is 21504, while the sum is 34.

The square root of 14226478 is about 3771.8003658730. The cubic root of 14226478 is about 242.3069097429.

The spelling of 14226478 in words is "fourteen million, two hundred twenty-six thousand, four hundred seventy-eight".