2243003221144 has 128 divisors (see below), whose sum is σ = 4996465689600. Its totient is φ = 924040212480.

The previous prime is 2243003221103. The next prime is 2243003221159. The reversal of 2243003221144 is 4411223003422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97269264 + ... + 97292320.

It is an arithmetic number, because the mean of its divisors is an integer number (39034888200).

Almost surely, 2^{2243003221144} 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 2243003221144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498232844800).

2243003221144 is an abundant number, since it is smaller than the sum of its proper divisors (2753462468456).

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

2243003221144 is a wasteful number, since it uses less digits than its factorization.

2243003221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23753 (or 23749 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2243003221144 its reverse (4411223003422), we get a palindrome (6654226224566).

The spelling of 2243003221144 in words is "two trillion, two hundred forty-three billion, three million, two hundred twenty-one thousand, one hundred forty-four".