2220185622784 has 72 divisors (see below), whose sum is σ = 4553235167040. Its totient is φ = 1079672444928.

The previous prime is 2220185622751. The next prime is 2220185622791. The reversal of 2220185622784 is 4872265810222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25179927 + ... + 25267945.

It is an arithmetic number, because the mean of its divisors is an integer number (63239377320).

Almost surely, 2^{2220185622784} 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 2220185622784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276617583520).

2220185622784 is an abundant number, since it is smaller than the sum of its proper divisors (2333049544256).

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

2220185622784 is an equidigital number, since it uses as much as digits as its factorization.

2220185622784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90735 (or 90721 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 2220185622784 in words is "two trillion, two hundred twenty billion, one hundred eighty-five million, six hundred twenty-two thousand, seven hundred eighty-four".