22023440012 has 24 divisors (see below), whose sum is σ = 44877956256. Its totient is φ = 9260529408.

The previous prime is 22023440009. The next prime is 22023440017. The reversal of 22023440012 is 21004432022.

It is not an unprimeable number, because it can be changed into a prime (22023440017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7418813 + ... + 7421780.

It is an arithmetic number, because the mean of its divisors is an integer number (1869914844).

Almost surely, 2^22023440012 is an apocalyptic number.

It is an amenable number.

22023440012 is an abundant number, since it is smaller than the sum of its proper divisors (22854516244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22023440012 is a wasteful number, since it uses less digits than its factorization.

22023440012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14840657 (or 14840655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22023440012 its reverse (21004432022), we get a palindrome (43027872034).

The spelling of 22023440012 in words is "twenty-two billion, twenty-three million, four hundred forty thousand, twelve".