214443443 has 4 divisors (see below), whose sum is σ = 225729960. Its totient is φ = 203156928.

The previous prime is 214443433. The next prime is 214443517. The reversal of 214443443 is 344344412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 214443443 - 2¹² = 214439347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214443403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5643230 + ... + 5643267.

It is an arithmetic number, because the mean of its divisors is an integer number (56432490).

Almost surely, 2^214443443 is an apocalyptic number.

214443443 is a deficient number, since it is larger than the sum of its proper divisors (11286517).

214443443 is a wasteful number, since it uses less digits than its factorization.

214443443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286516.

The product of its digits is 18432, while the sum is 29.

The square root of 214443443 is about 14643.8875644413. The cubic root of 214443443 is about 598.5552675576. Note that the first 3 decimals are identical.

Adding to 214443443 its reverse (344344412), we get a palindrome (558787855).

The spelling of 214443443 in words is "two hundred fourteen million, four hundred forty-three thousand, four hundred forty-three".