2244221440000 has 260 divisors, whose sum is σ = 5789183868160. Its totient is φ = 868700160000.

The previous prime is 2244221439979. The next prime is 2244221440039. The reversal of 2244221440000 is 441224422.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79345861 + ... + 79374139.

Almost surely, 2^{2244221440000} is an apocalyptic number.

2244221440000 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 2244221440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2894591934080).

2244221440000 is an abundant number, since it is smaller than the sum of its proper divisors (3544962428160).

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

2244221440000 is an frugal number, since it uses more digits than its factorization.

2244221440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28354 (or 28317 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 2244221440000 its reverse (441224422), we get a palindrome (2244662664422).

The spelling of 2244221440000 in words is "two trillion, two hundred forty-four billion, two hundred twenty-one million, four hundred forty thousand".