22040423223 has 16 divisors (see below), whose sum is σ = 36168900096. Its totient is φ = 11625717600.

The previous prime is 22040423219. The next prime is 22040423231. The reversal of 22040423223 is 32232404022.

It is a happy number.

It is not a de Polignac number, because 22040423223 - 2² = 22040423219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22040423193 and 22040423202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040423213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40366803 + ... + 40367348.

It is an arithmetic number, because the mean of its divisors is an integer number (2260556256).

Almost surely, 2^22040423223 is an apocalyptic number.

22040423223 is a deficient number, since it is larger than the sum of its proper divisors (14128476873).

22040423223 is a wasteful number, since it uses less digits than its factorization.

22040423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80734174.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22040423223 its reverse (32232404022), we get a palindrome (54272827245).

The spelling of 22040423223 in words is "twenty-two billion, forty million, four hundred twenty-three thousand, two hundred twenty-three".