2277666 has 16 divisors (see below), whose sum is σ = 5061600. Its totient is φ = 759204.

The previous prime is 2277661. The next prime is 2277703. The reversal of 2277666 is 6667722.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 7³ + 7⁴ + 6 + 6² + 6⁶ .

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2277666.

It is not an unprimeable number, because it can be changed into a prime (2277661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21036 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (316350).

2^2277666 is an apocalyptic number.

2277666 is an abundant number, since it is smaller than the sum of its proper divisors (2783934).

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

2277666 is a wasteful number, since it uses less digits than its factorization.

2277666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42190 (or 42184 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 2277666 is about 1509.1938245302. The cubic root of 2277666 is about 131.5719605946.

The spelling of 2277666 in words is "two million, two hundred seventy-seven thousand, six hundred sixty-six".