22231222213223 has 32 divisors (see below), whose sum is σ = 24093147762432. Its totient is φ = 20434693593600.

The previous prime is 22231222213183. The next prime is 22231222213241. The reversal of 22231222213223 is 32231222213222.

It is a cyclic number.

It is not a de Polignac number, because 22231222213223 - 2⁴² = 17833175702119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231222213273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191704568 + ... + 191820498.

It is an arithmetic number, because the mean of its divisors is an integer number (752910867576).

Almost surely, 2^{22231222213223} is an apocalyptic number.

22231222213223 is a deficient number, since it is larger than the sum of its proper divisors (1861925549209).

22231222213223 is a wasteful number, since it uses less digits than its factorization.

22231222213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116975.

The product of its digits is 13824, while the sum is 29.

Adding to 22231222213223 its reverse (32231222213222), we get a palindrome (54462444426445).

Subtracting 22231222213223 from its reverse (32231222213222), we obtain a palindrome (9999999999999).

The spelling of 22231222213223 in words is "twenty-two trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred twenty-three".