2182158 has 48 divisors (see below), whose sum is σ = 5256576. Its totient is φ = 648720.

The previous prime is 2182139. The next prime is 2182177. The reversal of 2182158 is 8512812.

It is an interprime number because it is at equal distance from previous prime (2182139) and next prime (2182177).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20341 + ... + 20447.

It is an arithmetic number, because the mean of its divisors is an integer number (109512).

2^2182158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2182158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2628288).

2182158 is an abundant number, since it is smaller than the sum of its proper divisors (3074418).

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

2182158 is a wasteful number, since it uses less digits than its factorization.

2182158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 226 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 2182158 is about 1477.2129162717. The cubic root of 2182158 is about 129.7065966846.

The spelling of 2182158 in words is "two million, one hundred eighty-two thousand, one hundred fifty-eight".