22212023223 has 8 divisors (see below), whose sum is σ = 31894187248. Its totient is φ = 13668937344.

The previous prime is 22212023189. The next prime is 22212023227. The reversal of 22212023223 is 32232021222.

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

It is not a de Polignac number, because 22212023223 - 2⁹ = 22212022711 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 22212023223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212023227) 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, 284769490 + ... + 284769567.

It is an arithmetic number, because the mean of its divisors is an integer number (3986773406).

Almost surely, 2^22212023223 is an apocalyptic number.

22212023223 is a deficient number, since it is larger than the sum of its proper divisors (9682164025).

22212023223 is a wasteful number, since it uses less digits than its factorization.

22212023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569539073.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22212023223 its reverse (32232021222), we get a palindrome (54444044445).

The spelling of 22212023223 in words is "twenty-two billion, two hundred twelve million, twenty-three thousand, two hundred twenty-three".