2288140 has 12 divisors (see below), whose sum is σ = 4805136. Its totient is φ = 915248.

The previous prime is 2288123. The next prime is 2288161. The reversal of 2288140 is 418822.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57184 + ... + 57223.

It is an arithmetic number, because the mean of its divisors is an integer number (400428).

2^2288140 is an apocalyptic number.

2288140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2288140 is an abundant number, since it is smaller than the sum of its proper divisors (2516996).

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

2288140 is a wasteful number, since it uses less digits than its factorization.

2288140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114416 (or 114414 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2288140 is about 1512.6599089022. The cubic root of 2288140 is about 131.7733330655.

The spelling of 2288140 in words is "two million, two hundred eighty-eight thousand, one hundred forty".