221114443 has 8 divisors (see below), whose sum is σ = 244270080. Its totient is φ = 198467880.

The previous prime is 221114441. The next prime is 221114449. The reversal of 221114443 is 344411122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221114443 - 2¹ = 221114441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221114441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126355 + ... + 128092.

It is an arithmetic number, because the mean of its divisors is an integer number (30533760).

Almost surely, 2^221114443 is an apocalyptic number.

221114443 is a deficient number, since it is larger than the sum of its proper divisors (23155637).

221114443 is a wasteful number, since it uses less digits than its factorization.

221114443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254537.

The product of its digits is 768, while the sum is 22.

The square root of 221114443 is about 14869.9173837651. The cubic root of 221114443 is about 604.6987029682.

Adding to 221114443 its reverse (344411122), we get a palindrome (565525565).

The spelling of 221114443 in words is "two hundred twenty-one million, one hundred fourteen thousand, four hundred forty-three".