2201513856 has 128 divisors (see below), whose sum is σ = 6115430400. Its totient is φ = 700876800.

The previous prime is 2201513849. The next prime is 2201513891. The reversal of 2201513856 is 6583151022.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 939246 + ... + 941586.

It is an arithmetic number, because the mean of its divisors is an integer number (47776800).

Almost surely, 2^2201513856 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 2201513856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057715200).

2201513856 is an abundant number, since it is smaller than the sum of its proper divisors (3913916544).

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

2201513856 is a wasteful number, since it uses less digits than its factorization.

2201513856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2201513856 is about 46920.2925822080. The cubic root of 2201513856 is about 1300.8896978704.

Adding to 2201513856 its reverse (6583151022), we get a palindrome (8784664878).

The spelling of 2201513856 in words is "two billion, two hundred one million, five hundred thirteen thousand, eight hundred fifty-six".