2223421222144 has 72 divisors (see below), whose sum is σ = 4461065908992. Its totient is φ = 1105983744000.

The previous prime is 2223421222133. The next prime is 2223421222151. The reversal of 2223421222144 is 4412221243222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50541342 + ... + 50585314.

It is an arithmetic number, because the mean of its divisors is an integer number (61959248736).

Almost surely, 2^{2223421222144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223421222144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2230532954496).

2223421222144 is an abundant number, since it is smaller than the sum of its proper divisors (2237644686848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223421222144 is an equidigital number, since it uses as much as digits as its factorization.

2223421222144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45003 (or 44989 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

Adding to 2223421222144 its reverse (4412221243222), we get a palindrome (6635642465366).

The spelling of 2223421222144 in words is "two trillion, two hundred twenty-three billion, four hundred twenty-one million, two hundred twenty-two thousand, one hundred forty-four".