14198221 has 4 divisors (see below), whose sum is σ = 14206752. Its totient is φ = 14189692.

The previous prime is 14198203. The next prime is 14198227. The reversal of 14198221 is 12289141.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12289141 = 239 ⋅51419.

It is a cyclic number.

It is not a de Polignac number, because 14198221 - 2⁹ = 14197709 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 14198221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14198227) 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, 865 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (3551688).

Almost surely, 2^14198221 is an apocalyptic number.

It is an amenable number.

14198221 is a deficient number, since it is larger than the sum of its proper divisors (8531).

14198221 is an equidigital number, since it uses as much as digits as its factorization.

14198221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8530.

The product of its digits is 1152, while the sum is 28.

The square root of 14198221 is about 3768.0526800988. The cubic root of 14198221 is about 242.1463779866.

The spelling of 14198221 in words is "fourteen million, one hundred ninety-eight thousand, two hundred twenty-one".