2288187980 has 48 divisors (see below), whose sum is σ = 5184254880. Its totient is φ = 843330048.

The previous prime is 2288187977. The next prime is 2288188009. The reversal of 2288187980 is 897818822.

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, 140207 + ... + 155673.

It is an arithmetic number, because the mean of its divisors is an integer number (108005310).

Almost surely, 2^2288187980 is an apocalyptic number.

2288187980 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 2288187980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592127440).

2288187980 is an abundant number, since it is smaller than the sum of its proper divisors (2896066900).

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

2288187980 is a wasteful number, since it uses less digits than its factorization.

2288187980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16058 (or 16056 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 53.

The square root of 2288187980 is about 47835.0078917104. The cubic root of 2288187980 is about 1317.7425411055.

The spelling of 2288187980 in words is "two billion, two hundred eighty-eight million, one hundred eighty-seven thousand, nine hundred eighty".