2255117 has 4 divisors (see below), whose sum is σ = 2259036. Its totient is φ = 2251200.

The previous prime is 2255111. The next prime is 2255119. The reversal of 2255117 is 7115522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7115522 = 2 ⋅3557761.

It can be written as a sum of positive squares in 2 ways, for example, as 1990921 + 264196 = 1411^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255117 - 2¹⁰ = 2254093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2255092 and 2255101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (564759).

2^2255117 is an apocalyptic number.

It is an amenable number.

2255117 is a deficient number, since it is larger than the sum of its proper divisors (3919).

2255117 is an equidigital number, since it uses as much as digits as its factorization.

2255117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918.

The product of its digits is 700, while the sum is 23.

The square root of 2255117 is about 1501.7046980016. The cubic root of 2255117 is about 131.1363303068.

The spelling of 2255117 in words is "two million, two hundred fifty-five thousand, one hundred seventeen".