223214443 has 4 divisors (see below), whose sum is σ = 223269480. Its totient is φ = 223159408.

The previous prime is 223214423. The next prime is 223214447. The reversal of 223214443 is 344412322.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223214443 is a prime.

It is a super-3 number, since 3×223214443³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223214447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20905 + ... + 29722.

It is an arithmetic number, because the mean of its divisors is an integer number (55817370).

Almost surely, 2^223214443 is an apocalyptic number.

223214443 is a deficient number, since it is larger than the sum of its proper divisors (55037).

223214443 is an equidigital number, since it uses as much as digits as its factorization.

223214443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55036.

The product of its digits is 4608, while the sum is 25.

The square root of 223214443 is about 14940.3628804658. The cubic root of 223214443 is about 606.6070182804.

Adding to 223214443 its reverse (344412322), we get a palindrome (567626765).

The spelling of 223214443 in words is "two hundred twenty-three million, two hundred fourteen thousand, four hundred forty-three".