221300214443 has 24 divisors (see below), whose sum is σ = 282457102320. Its totient is φ = 171444880320.

The previous prime is 221300214427. The next prime is 221300214461. The reversal of 221300214443 is 344412003122.

It is not a de Polignac number, because 221300214443 - 2⁴ = 221300214427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221300214403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1093388 + ... + 1279881.

It is an arithmetic number, because the mean of its divisors is an integer number (11769045930).

Almost surely, 2^221300214443 is an apocalyptic number.

221300214443 is a deficient number, since it is larger than the sum of its proper divisors (61156887877).

221300214443 is a wasteful number, since it uses less digits than its factorization.

221300214443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373467 (or 2373460 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 221300214443 its reverse (344412003122), we get a palindrome (565712217565).

The spelling of 221300214443 in words is "two hundred twenty-one billion, three hundred million, two hundred fourteen thousand, four hundred forty-three".