2421166 has 16 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 1092280.

The previous prime is 2421163. The next prime is 2421203. The reversal of 2421166 is 6611242.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421163) 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, 3345 + ... + 4003.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2^2421166 is an apocalyptic number.

2421166 is a deficient number, since it is larger than the sum of its proper divisors (1570514).

2421166 is a wasteful number, since it uses less digits than its factorization.

2421166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its digits is 576, while the sum is 22.

The square root of 2421166 is about 1556.0096400730. The cubic root of 2421166 is about 134.2790279928.

The spelling of 2421166 in words is "two million, four hundred twenty-one thousand, one hundred sixty-six".