14218385 has 4 divisors (see below), whose sum is σ = 17062068. Its totient is φ = 11374704.

The previous prime is 14218343. The next prime is 14218417. The reversal of 14218385 is 58381241.

14218385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9431041 + 4787344 = 3071^2 + 2188^2 .

It is a cyclic number.

It is not a de Polignac number, because 14218385 - 2⁸ = 14218129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421834 + ... + 1421843.

It is an arithmetic number, because the mean of its divisors is an integer number (4265517).

Almost surely, 2^14218385 is an apocalyptic number.

It is an amenable number.

14218385 is a deficient number, since it is larger than the sum of its proper divisors (2843683).

14218385 is an equidigital number, since it uses as much as digits as its factorization.

14218385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843682.

The product of its digits is 7680, while the sum is 32.

The square root of 14218385 is about 3770.7273834103. The cubic root of 14218385 is about 242.2609540775.

The spelling of 14218385 in words is "fourteen million, two hundred eighteen thousand, three hundred eighty-five".