22011442023 has 4 divisors (see below), whose sum is σ = 29348589368. Its totient is φ = 14674294680.

The previous prime is 22011442009. The next prime is 22011442039. The reversal of 22011442023 is 32024411022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22011442023 - 2²¹ = 22009344871 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 (22011442073) 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, 3668573668 + ... + 3668573673.

It is an arithmetic number, because the mean of its divisors is an integer number (7337147342).

Almost surely, 2^22011442023 is an apocalyptic number.

22011442023 is a deficient number, since it is larger than the sum of its proper divisors (7337147345).

22011442023 is an equidigital number, since it uses as much as digits as its factorization.

22011442023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337147344.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22011442023 its reverse (32024411022), we get a palindrome (54035853045).

The spelling of 22011442023 in words is "twenty-two billion, eleven million, four hundred forty-two thousand, twenty-three".