2182194 has 64 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 594000.

The previous prime is 2182181. The next prime is 2182199. The reversal of 2182194 is 4912812.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8569 + ... + 8819.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^2182194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2182194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903040).

2182194 is an abundant number, since it is smaller than the sum of its proper divisors (3623886).

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

2182194 is a wasteful number, since it uses less digits than its factorization.

2182194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 286 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2182194 is about 1477.2251013302. The cubic root of 2182194 is about 129.7073099559.

It can be divided in two parts, 21 and 82194, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 2182194 in words is "two million, one hundred eighty-two thousand, one hundred ninety-four".