2256115 has 8 divisors (see below), whose sum is σ = 2715408. Its totient is φ = 1799520.

The previous prime is 2256097. The next prime is 2256119. The reversal of 2256115 is 5116522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2256115 - 2⁷ = 2255987 is a prime.

It is an Ulam number.

It is a Duffinian number.

2256115 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2256119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920 + ... + 3610.

It is an arithmetic number, because the mean of its divisors is an integer number (339426).

2^2256115 is an apocalyptic number.

2256115 is a deficient number, since it is larger than the sum of its proper divisors (459293).

2256115 is an equidigital number, since it uses as much as digits as its factorization.

2256115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its digits is 600, while the sum is 22.

The square root of 2256115 is about 1502.0369502779. The cubic root of 2256115 is about 131.1556722089.

The spelling of 2256115 in words is "two million, two hundred fifty-six thousand, one hundred fifteen".