22442020040023 has 4 divisors (see below), whose sum is σ = 22474034334648. Its totient is φ = 22410005745400.

The previous prime is 22442020040021. The next prime is 22442020040053. The reversal of 22442020040023 is 32004002024422.

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 22442020040023 - 2¹ = 22442020040021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22442020040023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442020040021) 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, 16007146261 + ... + 16007147662.

It is an arithmetic number, because the mean of its divisors is an integer number (5618508583662).

Almost surely, 2^{22442020040023} is an apocalyptic number.

22442020040023 is a deficient number, since it is larger than the sum of its proper divisors (32014294625).

22442020040023 is an equidigital number, since it uses as much as digits as its factorization.

22442020040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32014294624.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22442020040023 its reverse (32004002024422), we get a palindrome (54446022064445).

The spelling of 22442020040023 in words is "twenty-two trillion, four hundred forty-two billion, twenty million, forty thousand, twenty-three".