2162286 has 36 divisors (see below), whose sum is σ = 5395416. Its totient is φ = 613080.

The previous prime is 2162273. The next prime is 2162297. The reversal of 2162286 is 6822612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16441 + ... + 16571.

2^2162286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697708).

2162286 is an abundant number, since it is smaller than the sum of its proper divisors (3233130).

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

2162286 is a wasteful number, since it uses less digits than its factorization.

2162286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 143 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2162286 is about 1470.4713530022. The cubic root of 2162286 is about 129.3116675249.

Adding to 2162286 its reverse (6822612), we get a palindrome (8984898).

The spelling of 2162286 in words is "two million, one hundred sixty-two thousand, two hundred eighty-six".