14219109 has 6 divisors (see below), whose sum is σ = 20538726. Its totient is φ = 9479400.

The previous prime is 14219069. The next prime is 14219113. The reversal of 14219109 is 90191241.

It can be written as a sum of positive squares in only one way, i.e., 10870209 + 3348900 = 3297^2 + 1830^2 .

It is not a de Polignac number, because 14219109 - 2⁹ = 14218597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14219189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 789942 + ... + 789959.

It is an arithmetic number, because the mean of its divisors is an integer number (3423121).

Almost surely, 2^14219109 is an apocalyptic number.

It is an amenable number.

14219109 is a deficient number, since it is larger than the sum of its proper divisors (6319617).

14219109 is a wasteful number, since it uses less digits than its factorization.

14219109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579907 (or 1579904 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 14219109 is about 3770.8233848856. The cubic root of 14219109 is about 242.2650659827.

The spelling of 14219109 in words is "fourteen million, two hundred nineteen thousand, one hundred nine".