2228866880 has 56 divisors (see below), whose sum is σ = 5356265640. Its totient is φ = 883353600.

The previous prime is 2228866867. The next prime is 2228866883. The reversal of 2228866880 is 886688222.

It can be written as a sum of positive squares in 4 ways, for example, as 917847616 + 1311019264 = 30296^2 + 36208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228866883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930 + ... + 66830.

Almost surely, 2^2228866880 is an apocalyptic number.

2228866880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228866880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678132820).

2228866880 is an abundant number, since it is smaller than the sum of its proper divisors (3127398760).

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

2228866880 is a wasteful number, since it uses less digits than its factorization.

2228866880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64027 (or 64017 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 50.

The square root of 2228866880 is about 47210.8767128932. The cubic root of 2228866880 is about 1306.2552339709.

The spelling of 2228866880 in words is "two billion, two hundred twenty-eight million, eight hundred sixty-six thousand, eight hundred eighty".