4223140220444 has 24 divisors (see below), whose sum is σ = 7440273565200. Its totient is φ = 2097348450176.

The previous prime is 4223140220441. The next prime is 4223140220471. The reversal of 4223140220444 is 4440220413224.

It is a self number, because there is not a number n which added to its sum of digits gives 4223140220444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223140220441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45665219 + ... + 45757605.

It is an arithmetic number, because the mean of its divisors is an integer number (310011398550).

Almost surely, 2^{4223140220444} is an apocalyptic number.

It is an amenable number.

4223140220444 is a deficient number, since it is larger than the sum of its proper divisors (3217133344756).

4223140220444 is a wasteful number, since it uses less digits than its factorization.

4223140220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169237 (or 169235 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4223140220444 its reverse (4440220413224), we get a palindrome (8663360633668).

The spelling of 4223140220444 in words is "four trillion, two hundred twenty-three billion, one hundred forty million, two hundred twenty thousand, four hundred forty-four".