14221579 has 4 divisors (see below), whose sum is σ = 14605984. Its totient is φ = 13837176.

The previous prime is 14221573. The next prime is 14221583. The reversal of 14221579 is 97512241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97512241 = 1193 ⋅81737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14221579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14221579.

It is not an unprimeable number, because it can be changed into a prime (14221573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192147 + ... + 192220.

It is an arithmetic number, because the mean of its divisors is an integer number (3651496).

Almost surely, 2^14221579 is an apocalyptic number.

14221579 is a deficient number, since it is larger than the sum of its proper divisors (384405).

14221579 is an equidigital number, since it uses as much as digits as its factorization.

14221579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384404.

The product of its digits is 5040, while the sum is 31.

The square root of 14221579 is about 3771.1508853399. The cubic root of 14221579 is about 242.2790931173.

The spelling of 14221579 in words is "fourteen million, two hundred twenty-one thousand, five hundred seventy-nine".