2144444221320 has 64 divisors (see below), whose sum is σ = 6445972008000. Its totient is φ = 570728295168.

The previous prime is 2144444221261. The next prime is 2144444221331. The reversal of 2144444221320 is 231224444412.

It is a super-2 number, since 2×2144444221320² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17493310 + ... + 17615469.

It is an arithmetic number, because the mean of its divisors is an integer number (100718312625).

Almost surely, 2^{2144444221320} is an apocalyptic number.

2144444221320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144444221320 is an abundant number, since it is smaller than the sum of its proper divisors (4301527786680).

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

2144444221320 is a wasteful number, since it uses less digits than its factorization.

2144444221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35109302 (or 35109298 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 2144444221320 its reverse (231224444412), we get a palindrome (2375668665732).

The spelling of 2144444221320 in words is "two trillion, one hundred forty-four billion, four hundred forty-four million, two hundred twenty-one thousand, three hundred twenty".