2281790 has 32 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 760320.

The previous prime is 2281789. The next prime is 2281793. The reversal of 2281790 is 971822.

It is a happy number.

2281790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2150 + ... + 3030.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

2^2281790 is an apocalyptic number.

2281790 is an abundant number, since it is smaller than the sum of its proper divisors (2544514).

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

2281790 is a wasteful number, since it uses less digits than its factorization.

2281790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2281790 is about 1510.5594989937. The cubic root of 2281790 is about 131.6513218956.

The spelling of 2281790 in words is "two million, two hundred eighty-one thousand, seven hundred ninety".