2265855 has 8 divisors (see below), whose sum is σ = 3625392. Its totient is φ = 1208448.

The previous prime is 2265841. The next prime is 2265869. The reversal of 2265855 is 5585622.

It is an interprime number because it is at equal distance from previous prime (2265841) and next prime (2265869).

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

It is not a de Polignac number, because 2265855 - 2⁷ = 2265727 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2¹⁵ + 6⁷ + 5 + 8 + 5 + 5⁹ .

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 7 ways as a sum of consecutive naturals, for example, 75514 + ... + 75543.

It is an arithmetic number, because the mean of its divisors is an integer number (453174).

2^2265855 is an apocalyptic number.

2265855 is a deficient number, since it is larger than the sum of its proper divisors (1359537).

2265855 is a wasteful number, since it uses less digits than its factorization.

2265855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151065.

The product of its digits is 24000, while the sum is 33.

The square root of 2265855 is about 1505.2757222516. The cubic root of 2265855 is about 131.3441410765.

The spelling of 2265855 in words is "two million, two hundred sixty-five thousand, eight hundred fifty-five".