2287844 has 12 divisors (see below), whose sum is σ = 4311804. Its totient is φ = 1055904.

The previous prime is 2287823. The next prime is 2287861. The reversal of 2287844 is 4487822.

2287844 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 438244 + 1849600 = 662^2 + 1360^2 .

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, 21947 + ... + 22050.

It is an arithmetic number, because the mean of its divisors is an integer number (359317).

2^2287844 is an apocalyptic number.

It is an amenable number.

2287844 is a deficient number, since it is larger than the sum of its proper divisors (2023960).

2287844 is a wasteful number, since it uses less digits than its factorization.

2287844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44014 (or 44012 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 2287844 is about 1512.5620648423. The cubic root of 2287844 is about 131.7676506351.

It can be divided in two parts, 22878 and 44, that added together give a palindrome (22922).

The spelling of 2287844 in words is "two million, two hundred eighty-seven thousand, eight hundred forty-four".