22000122223 has 4 divisors (see below), whose sum is σ = 22147774200. Its totient is φ = 21852470248.

The previous prime is 22000122217. The next prime is 22000122247. The reversal of 22000122223 is 32222100022.

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 22000122223 - 2²⁹ = 21463251311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000122197 and 22000122206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000122203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73825765 + ... + 73826062.

It is an arithmetic number, because the mean of its divisors is an integer number (5536943550).

Almost surely, 2^22000122223 is an apocalyptic number.

22000122223 is a deficient number, since it is larger than the sum of its proper divisors (147651977).

22000122223 is a wasteful number, since it uses less digits than its factorization.

22000122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147651976.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22000122223 its reverse (32222100022), we get a palindrome (54222222245).

The spelling of 22000122223 in words is "twenty-two billion, one hundred twenty-two thousand, two hundred twenty-three".