2201816736 has 192 divisors, whose sum is σ = 7478956800. Its totient is φ = 617131008.

The previous prime is 2201816719. The next prime is 2201816741. The reversal of 2201816736 is 6376181022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2201816736.

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 31 ways as a sum of consecutive naturals, for example, 317110 + ... + 323978.

It is an arithmetic number, because the mean of its divisors is an integer number (38952900).

Almost surely, 2^2201816736 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 2201816736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3739478400).

2201816736 is an abundant number, since it is smaller than the sum of its proper divisors (5277140064).

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

2201816736 is a wasteful number, since it uses less digits than its factorization.

2201816736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6934 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2201816736 is about 46923.5200725606. The cubic root of 2201816736 is about 1300.9493530939.

Adding to 2201816736 its reverse (6376181022), we get a palindrome (8577997758).

The spelling of 2201816736 in words is "two billion, two hundred one million, eight hundred sixteen thousand, seven hundred thirty-six".