22221030223 has 4 divisors (see below), whose sum is σ = 25395463120. Its totient is φ = 19046597328.

The previous prime is 22221030211. The next prime is 22221030283. The reversal of 22221030223 is 32203012222.

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 22221030223 - 2³³ = 13631095631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22221030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221030283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587216438 + ... + 1587216451.

It is an arithmetic number, because the mean of its divisors is an integer number (6348865780).

Almost surely, 2^22221030223 is an apocalyptic number.

22221030223 is a deficient number, since it is larger than the sum of its proper divisors (3174432897).

22221030223 is an equidigital number, since it uses as much as digits as its factorization.

22221030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174432896.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22221030223 its reverse (32203012222), we get a palindrome (54424042445).

The spelling of 22221030223 in words is "twenty-two billion, two hundred twenty-one million, thirty thousand, two hundred twenty-three".