2144403222000 has 640 divisors, whose sum is σ = 7925540732928. Its totient is φ = 494143488000.

The previous prime is 2144403221977. The next prime is 2144403222001. The reversal of 2144403222000 is 2223044412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144403222001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 253261767 + ... + 253270233.

Almost surely, 2^{2144403222000} is an apocalyptic number.

2144403222000 is a gapful number since it is divisible by the number (20) 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 2144403222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3962770366464).

2144403222000 is an abundant number, since it is smaller than the sum of its proper divisors (5781137510928).

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

2144403222000 is a wasteful number, since it uses less digits than its factorization.

2144403222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714 (or 8698 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 2144403222000 its reverse (2223044412), we get a palindrome (2146626266412).

The spelling of 2144403222000 in words is "two trillion, one hundred forty-four billion, four hundred three million, two hundred twenty-two thousand".