14227809 has 4 divisors (see below), whose sum is σ = 18970416. Its totient is φ = 9485204.

The previous prime is 14227799. The next prime is 14227817. The reversal of 14227809 is 90872241.

It is a happy number.

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 14227809 - 2⁸ = 14227553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14227809.

It is not an unprimeable number, because it can be changed into a prime (14227819) 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 3 ways as a sum of consecutive naturals, for example, 2371299 + ... + 2371304.

It is an arithmetic number, because the mean of its divisors is an integer number (4742604).

Almost surely, 2^14227809 is an apocalyptic number.

It is an amenable number.

14227809 is a deficient number, since it is larger than the sum of its proper divisors (4742607).

14227809 is an equidigital number, since it uses as much as digits as its factorization.

14227809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742606.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 14227809 is about 3771.9768026858. The cubic root of 14227809 is about 242.3144660858.

The spelling of 14227809 in words is "fourteen million, two hundred twenty-seven thousand, eight hundred nine".