2182668 has 12 divisors (see below), whose sum is σ = 5092920. Its totient is φ = 727552.

The previous prime is 2182657. The next prime is 2182669. The reversal of 2182668 is 8662812.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2182669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90933 + ... + 90956.

It is an arithmetic number, because the mean of its divisors is an integer number (424410).

2^2182668 is an apocalyptic number.

It is an amenable number.

2182668 is an abundant number, since it is smaller than the sum of its proper divisors (2910252).

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

2182668 is a wasteful number, since it uses less digits than its factorization.

2182668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181896 (or 181894 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 2182668 is about 1477.3855285605. The cubic root of 2182668 is about 129.7167006294.

It can be divided in two parts, 2182 and 668, that added together give a triangular number (2850 = T₇₅).

The spelling of 2182668 in words is "two million, one hundred eighty-two thousand, six hundred sixty-eight".