2281766 has 16 divisors (see below), whose sum is σ = 3548880. Its totient is φ = 1099680.

The previous prime is 2281751. The next prime is 2281771. The reversal of 2281766 is 6671822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7040 + ... + 7356.

It is an arithmetic number, because the mean of its divisors is an integer number (221805).

2^2281766 is an apocalyptic number.

2281766 is a deficient number, since it is larger than the sum of its proper divisors (1267114).

2281766 is a wasteful number, since it uses less digits than its factorization.

2281766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its digits is 8064, while the sum is 32.

The square root of 2281766 is about 1510.5515548964. The cubic root of 2281766 is about 131.6508603219.

The spelling of 2281766 in words is "two million, two hundred eighty-one thousand, seven hundred sixty-six".