2280138 has 24 divisors (see below), whose sum is σ = 5234208. Its totient is φ = 648672.

The previous prime is 2280127. The next prime is 2280163. The reversal of 2280138 is 8310822.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9670 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (218092).

2^2280138 is an apocalyptic number.

2280138 is an abundant number, since it is smaller than the sum of its proper divisors (2954070).

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

2280138 is an equidigital number, since it uses as much as digits as its factorization.

2280138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2280138 is about 1510.0125827290. The cubic root of 2280138 is about 131.6195426797.

The spelling of 2280138 in words is "two million, two hundred eighty thousand, one hundred thirty-eight".