2281750 has 16 divisors (see below), whose sum is σ = 4271904. Its totient is φ = 912600.

The previous prime is 2281739. The next prime is 2281751. The reversal of 2281750 is 571822.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4314 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (266994).

2^2281750 is an apocalyptic number.

2281750 is a deficient number, since it is larger than the sum of its proper divisors (1990154).

2281750 is an equidigital number, since it uses as much as digits as its factorization.

2281750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9144 (or 9134 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2281750 is about 1510.5462588084. The cubic root of 2281750 is about 131.6505526043.

The spelling of 2281750 in words is "two million, two hundred eighty-one thousand, seven hundred fifty".