2281782 has 16 divisors (see below), whose sum is σ = 4615920. Its totient is φ = 751872.

The previous prime is 2281781. The next prime is 2281789. The reversal of 2281782 is 2871822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281781) 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, 1603 + ... + 2670.

It is an arithmetic number, because the mean of its divisors is an integer number (288495).

2^2281782 is an apocalyptic number.

2281782 is an abundant number, since it is smaller than the sum of its proper divisors (2334138).

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

2281782 is a wasteful number, since it uses less digits than its factorization.

2281782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367.

The product of its digits is 3584, while the sum is 30.

The square root of 2281782 is about 1510.5568509659. The cubic root of 2281782 is about 131.6511680381.

The spelling of 2281782 in words is "two million, two hundred eighty-one thousand, seven hundred eighty-two".