2162285 has 4 divisors (see below), whose sum is σ = 2594748. Its totient is φ = 1729824.

The previous prime is 2162273. The next prime is 2162297. The reversal of 2162285 is 5822612.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2162273) and next prime (2162297).

It can be written as a sum of positive squares in 2 ways, for example, as 477481 + 1684804 = 691^2 + 1298^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162285 - 2⁶ = 2162221 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 216224 + ... + 216233.

It is an arithmetic number, because the mean of its divisors is an integer number (648687).

2^2162285 is an apocalyptic number.

It is an amenable number.

2162285 is a deficient number, since it is larger than the sum of its proper divisors (432463).

2162285 is an equidigital number, since it uses as much as digits as its factorization.

2162285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432462.

The product of its digits is 1920, while the sum is 26.

The square root of 2162285 is about 1470.4710129751. The cubic root of 2162285 is about 129.3116475905.

Adding to 2162285 its reverse (5822612), we get a palindrome (7984897).

The spelling of 2162285 in words is "two million, one hundred sixty-two thousand, two hundred eighty-five".