2442166 has 4 divisors (see below), whose sum is σ = 3663252. Its totient is φ = 1221082.

The previous prime is 2442151. The next prime is 2442173. The reversal of 2442166 is 6612442.

2442166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2442166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610540 + ... + 610543.

It is an arithmetic number, because the mean of its divisors is an integer number (915813).

2^2442166 is an apocalyptic number.

2442166 is a deficient number, since it is larger than the sum of its proper divisors (1221086).

2442166 is a wasteful number, since it uses less digits than its factorization.

2442166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221085.

The product of its digits is 2304, while the sum is 25.

The square root of 2442166 is about 1562.7431010886. The cubic root of 2442166 is about 134.6661343093. Note that the first 3 decimals are identical.

The spelling of 2442166 in words is "two million, four hundred forty-two thousand, one hundred sixty-six".