14218814 has 4 divisors (see below), whose sum is σ = 21328224. Its totient is φ = 7109406.

The previous prime is 14218811. The next prime is 14218829. The reversal of 14218814 is 41881241.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14218811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3554702 + ... + 3554705.

It is an arithmetic number, because the mean of its divisors is an integer number (5332056).

Almost surely, 2^14218814 is an apocalyptic number.

14218814 is a deficient number, since it is larger than the sum of its proper divisors (7109410).

14218814 is an equidigital number, since it uses as much as digits as its factorization.

14218814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109409.

The product of its digits is 2048, while the sum is 29.

The square root of 14218814 is about 3770.7842685574. The cubic root of 14218814 is about 242.2633905686.

The spelling of 14218814 in words is "fourteen million, two hundred eighteen thousand, eight hundred fourteen".