14223909 has 12 divisors (see below), whose sum is σ = 21700896. Its totient is φ = 8118072.

The previous prime is 14223901. The next prime is 14223929. The reversal of 14223909 is 90932241.

It is not a de Polignac number, because 14223909 - 2³ = 14223901 is a prime.

It is a super-3 number, since 3×14223909³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14223901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16872 + ... + 17694.

It is an arithmetic number, because the mean of its divisors is an integer number (1808408).

Almost surely, 2^14223909 is an apocalyptic number.

It is an amenable number.

14223909 is a deficient number, since it is larger than the sum of its proper divisors (7476987).

14223909 is an frugal number, since it uses more digits than its factorization.

14223909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 14223909 is about 3771.4597969487. The cubic root of 14223909 is about 242.2923237030.

The spelling of 14223909 in words is "fourteen million, two hundred twenty-three thousand, nine hundred nine".