2215136 has 96 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 806400.

The previous prime is 2215133. The next prime is 2215141. The reversal of 2215136 is 6315122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71441 + ... + 71471.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^2215136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903040).

2215136 is an abundant number, since it is smaller than the sum of its proper divisors (3590944).

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

2215136 is a wasteful number, since it uses less digits than its factorization.

2215136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 80 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 2215136 is about 1488.3332960060. Note that the first 3 decimals coincide. The cubic root of 2215136 is about 130.3567322294.

The spelling of 2215136 in words is "two million, two hundred fifteen thousand, one hundred thirty-six".