2201766 has 24 divisors (see below), whose sum is σ = 5123160. Its totient is φ = 628992.

The previous prime is 2201761. The next prime is 2201807. The reversal of 2201766 is 6671022.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3451 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (213465).

2^2201766 is an apocalyptic number.

2201766 is an abundant number, since it is smaller than the sum of its proper divisors (2921394).

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

2201766 is a wasteful number, since it uses less digits than its factorization.

2201766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508 (or 7501 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2201766 is about 1483.8348964760. The cubic root of 2201766 is about 130.0939360516.

Adding to 2201766 its reverse (6671022), we get a palindrome (8872788).

The spelling of 2201766 in words is "two million, two hundred one thousand, seven hundred sixty-six".