2331222040443 has 4 divisors (see below), whose sum is σ = 3108296053928. Its totient is φ = 1554148026960.

The previous prime is 2331222040429. The next prime is 2331222040447. The reversal of 2331222040443 is 3440402221332.

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

It is not a de Polignac number, because 2331222040443 - 2²⁶ = 2331154931579 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 2331222040443.

It is not an unprimeable number, because it can be changed into a prime (2331222040447) 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, 388537006738 + ... + 388537006743.

It is an arithmetic number, because the mean of its divisors is an integer number (777074013482).

Almost surely, 2^{2331222040443} is an apocalyptic number.

2331222040443 is a deficient number, since it is larger than the sum of its proper divisors (777074013485).

2331222040443 is an equidigital number, since it uses as much as digits as its factorization.

2331222040443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777074013484.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 2331222040443 its reverse (3440402221332), we get a palindrome (5771624261775).

The spelling of 2331222040443 in words is "two trillion, three hundred thirty-one billion, two hundred twenty-two million, forty thousand, four hundred forty-three".