2182815 has 64 divisors (see below), whose sum is σ = 4377600. Its totient is φ = 1026432.

The previous prime is 2182813. The next prime is 2182819. The reversal of 2182815 is 5182812.

It is not a de Polignac number, because 2182815 - 2¹ = 2182813 is a prime.

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 (2182811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58977 + ... + 59013.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2^2182815 is an apocalyptic number.

2182815 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2182815 is a wasteful number, since it uses less digits than its factorization.

2182815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 87 counting only the distinct ones).

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

The square root of 2182815 is about 1477.4352777702. The cubic root of 2182815 is about 129.7196126506.

The spelling of 2182815 in words is "two million, one hundred eighty-two thousand, eight hundred fifteen".