22242130440443 has 4 divisors (see below), whose sum is σ = 22471430754360. Its totient is φ = 22012830126528.

The previous prime is 22242130440377. The next prime is 22242130440469. The reversal of 22242130440443 is 34404403124222.

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 22242130440443 - 2¹⁶ = 22242130374907 is a prime.

It is a super-2 number, since 2×22242130440443² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22242130440143) 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, 114650156813 + ... + 114650157006.

It is an arithmetic number, because the mean of its divisors is an integer number (5617857688590).

Almost surely, 2^{22242130440443} is an apocalyptic number.

22242130440443 is a deficient number, since it is larger than the sum of its proper divisors (229300313917).

22242130440443 is an equidigital number, since it uses as much as digits as its factorization.

22242130440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229300313916.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 22242130440443 its reverse (34404403124222), we get a palindrome (56646533564665).

The spelling of 22242130440443 in words is "twenty-two trillion, two hundred forty-two billion, one hundred thirty million, four hundred forty thousand, four hundred forty-three".