22442040023 has 4 divisors (see below), whose sum is σ = 24168350808. Its totient is φ = 20715729240.

The previous prime is 22442040013. The next prime is 22442040031. The reversal of 22442040023 is 32004024422.

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 22442040023 - 2¹² = 22442035927 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 (22442040013) 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, 863155373 + ... + 863155398.

It is an arithmetic number, because the mean of its divisors is an integer number (6042087702).

Almost surely, 2^22442040023 is an apocalyptic number.

22442040023 is a deficient number, since it is larger than the sum of its proper divisors (1726310785).

22442040023 is a wasteful number, since it uses less digits than its factorization.

22442040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726310784.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22442040023 its reverse (32004024422), we get a palindrome (54446064445).

The spelling of 22442040023 in words is "twenty-two billion, four hundred forty-two million, forty thousand, twenty-three".