2281166 has 8 divisors (see below), whose sum is σ = 3532224. Its totient is φ = 1103760.

The previous prime is 2281151. The next prime is 2281183. The reversal of 2281166 is 6611822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18335 + ... + 18458.

It is an arithmetic number, because the mean of its divisors is an integer number (441528).

2^2281166 is an apocalyptic number.

2281166 is a deficient number, since it is larger than the sum of its proper divisors (1251058).

2281166 is a wasteful number, since it uses less digits than its factorization.

2281166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36826.

The product of its digits is 1152, while the sum is 26.

The square root of 2281166 is about 1510.3529388855. The cubic root of 2281166 is about 131.6393199272.

Adding to 2281166 its reverse (6611822), we get a palindrome (8892988).

The spelling of 2281166 in words is "two million, two hundred eighty-one thousand, one hundred sixty-six".