2228863980 has 144 divisors (see below), whose sum is σ = 7325065440. Its totient is φ = 504870912.

The previous prime is 2228863969. The next prime is 2228863981. The reversal of 2228863980 is 893688222.

2228863980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2228863981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328866 + ... + 335574.

It is an arithmetic number, because the mean of its divisors is an integer number (50868510).

Almost surely, 2^2228863980 is an apocalyptic number.

2228863980 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 2228863980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3662532720).

2228863980 is an abundant number, since it is smaller than the sum of its proper divisors (5096201460).

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

2228863980 is a wasteful number, since it uses less digits than its factorization.

2228863980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848 (or 6839 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 2228863980 is about 47210.8459996217. The cubic root of 2228863980 is about 1306.2546674436.

It can be divided in two parts, 22288 and 63980, that added together give a palindrome (86268).

The spelling of 2228863980 in words is "two billion, two hundred twenty-eight million, eight hundred sixty-three thousand, nine hundred eighty".