2204886656 has 128 divisors (see below), whose sum is σ = 5224488960. Its totient is φ = 906992640.

The previous prime is 2204886637. The next prime is 2204886667. The reversal of 2204886656 is 6566884022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2204886656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4527245 + ... + 4527731.

It is an arithmetic number, because the mean of its divisors is an integer number (40816320).

Almost surely, 2^2204886656 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 2204886656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2612244480).

2204886656 is an abundant number, since it is smaller than the sum of its proper divisors (3019602304).

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

2204886656 is a wasteful number, since it uses less digits than its factorization.

2204886656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 2204886656 is about 46956.2206315628. The cubic root of 2204886656 is about 1301.5536958114.

The spelling of 2204886656 in words is "two billion, two hundred four million, eight hundred eighty-six thousand, six hundred fifty-six".