2208166 has 8 divisors (see below), whose sum is σ = 3336840. Its totient is φ = 1095888.

The previous prime is 2208131. The next prime is 2208203. The reversal of 2208166 is 6618022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2208166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3756 + ... + 4303.

It is an arithmetic number, because the mean of its divisors is an integer number (417105).

2^2208166 is an apocalyptic number.

2208166 is a deficient number, since it is larger than the sum of its proper divisors (1128674).

2208166 is a wasteful number, since it uses less digits than its factorization.

2208166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2208166 is about 1485.9899057531. The cubic root of 2208166 is about 130.2198646271.

The spelling of 2208166 in words is "two million, two hundred eight thousand, one hundred sixty-six".