2222021244144 has 160 divisors (see below), whose sum is σ = 6260574297600. Its totient is φ = 675039015936.

The previous prime is 2222021244143. The next prime is 2222021244161. The reversal of 2222021244144 is 4414421202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222021244143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15455439 + ... + 15598545.

It is an arithmetic number, because the mean of its divisors is an integer number (39128589360).

Almost surely, 2^{2222021244144} is an apocalyptic number.

2222021244144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222021244144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3130287148800).

2222021244144 is an abundant number, since it is smaller than the sum of its proper divisors (4038553053456).

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

2222021244144 is a wasteful number, since it uses less digits than its factorization.

2222021244144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143447 (or 143441 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 2222021244144 its reverse (4414421202222), we get a palindrome (6636442446366).

The spelling of 2222021244144 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred forty-four thousand, one hundred forty-four".