2215315 has 4 divisors (see below), whose sum is σ = 2658384. Its totient is φ = 1772248.

The previous prime is 2215313. The next prime is 2215319. The reversal of 2215315 is 5135122.

2215315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2215315 - 2¹ = 2215313 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 2¹⁸ + 1 + 5² + 3 + 1 + 5⁹ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2215292 and 2215301.

It is not an unprimeable number, because it can be changed into a prime (2215313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221527 + ... + 221536.

It is an arithmetic number, because the mean of its divisors is an integer number (664596).

2^2215315 is an apocalyptic number.

2215315 is a deficient number, since it is larger than the sum of its proper divisors (443069).

2215315 is an equidigital number, since it uses as much as digits as its factorization.

2215315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443068.

The product of its digits is 300, while the sum is 19.

The square root of 2215315 is about 1488.3934291712. The cubic root of 2215315 is about 130.3602434098.

The spelling of 2215315 in words is "two million, two hundred fifteen thousand, three hundred fifteen".