14221109 has 4 divisors (see below), whose sum is σ = 16252704. Its totient is φ = 12189516.

The previous prime is 14221093. The next prime is 14221127. The reversal of 14221109 is 90112241.

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 14221109 - 2⁴ = 14221093 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 (14221159) 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, 1015787 + ... + 1015800.

It is an arithmetic number, because the mean of its divisors is an integer number (4063176).

Almost surely, 2^14221109 is an apocalyptic number.

It is an amenable number.

14221109 is a deficient number, since it is larger than the sum of its proper divisors (2031595).

14221109 is an equidigital number, since it uses as much as digits as its factorization.

14221109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031594.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 14221109 is about 3771.0885696308. The cubic root of 14221109 is about 242.2764241116.

The spelling of 14221109 in words is "fourteen million, two hundred twenty-one thousand, one hundred nine".