2275666 has 16 divisors (see below), whose sum is σ = 3624768. Its totient is φ = 1069200.

The previous prime is 2275657. The next prime is 2275667. The reversal of 2275666 is 6665722.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁵ + 7 + 5⁹ + 6 + 6⁵ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (2275667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (226548).

2^2275666 is an apocalyptic number.

2275666 is a deficient number, since it is larger than the sum of its proper divisors (1349102).

2275666 is a wasteful number, since it uses less digits than its factorization.

2275666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897.

The product of its digits is 30240, while the sum is 34.

The square root of 2275666 is about 1508.5310735944. The cubic root of 2275666 is about 131.5334385608.

It can be divided in two parts, 22756 and 66, that added together give a palindrome (22822).

The spelling of 2275666 in words is "two million, two hundred seventy-five thousand, six hundred sixty-six".