2282905 has 4 divisors (see below), whose sum is σ = 2739492. Its totient is φ = 1826320.

The previous prime is 2282899. The next prime is 2282923. The reversal of 2282905 is 5092822.

2282905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1308736 + 974169 = 1144^2 + 987^2 .

It is not a de Polignac number, because 2282905 - 2³ = 2282897 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 228286 + ... + 228295.

It is an arithmetic number, because the mean of its divisors is an integer number (684873).

2^2282905 is an apocalyptic number.

It is an amenable number.

2282905 is a deficient number, since it is larger than the sum of its proper divisors (456587).

2282905 is an equidigital number, since it uses as much as digits as its factorization.

2282905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456586.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2282905 is about 1510.9285224656. The cubic root of 2282905 is about 131.6727622737.

The spelling of 2282905 in words is "two million, two hundred eighty-two thousand, nine hundred five".