14221807 has 4 divisors (see below), whose sum is σ = 14230656. Its totient is φ = 14212960.

The previous prime is 14221799. The next prime is 14221813. The reversal of 14221807 is 70812241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14221807 - 2³ = 14221799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221847) 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, 1258 + ... + 5479.

It is an arithmetic number, because the mean of its divisors is an integer number (3557664).

Almost surely, 2^14221807 is an apocalyptic number.

14221807 is a deficient number, since it is larger than the sum of its proper divisors (8849).

14221807 is an equidigital number, since it uses as much as digits as its factorization.

14221807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8848.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 14221807 is about 3771.1811147172. The cubic root of 14221807 is about 242.2803878478.

The spelling of 14221807 in words is "fourteen million, two hundred twenty-one thousand, eight hundred seven".