2228579856 has 120 divisors (see below), whose sum is σ = 6511451544. Its totient is φ = 710830080.

The previous prime is 2228579851. The next prime is 2228579867. The reversal of 2228579856 is 6589758222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2250000 + 2226329856 = 1500^2 + 47184^2 .

It is not an unprimeable number, because it can be changed into a prime (2228579851) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 321580 + ... + 328436.

Almost surely, 2^2228579856 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 2228579856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255725772).

2228579856 is an abundant number, since it is smaller than the sum of its proper divisors (4282871688).

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

2228579856 is a wasteful number, since it uses less digits than its factorization.

2228579856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6960 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 2228579856 is about 47207.8368070387. The cubic root of 2228579856 is about 1306.1991602322.

The spelling of 2228579856 in words is "two billion, two hundred twenty-eight million, five hundred seventy-nine thousand, eight hundred fifty-six".