2265505 has 16 divisors (see below), whose sum is σ = 3141504. Its totient is φ = 1550080.

The previous prime is 2265499. The next prime is 2265517. The reversal of 2265505 is 5055622.

It is not a de Polignac number, because 2265505 - 2⁷ = 2265377 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2265505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (196344).

2^2265505 is an apocalyptic number.

It is an amenable number.

2265505 is a deficient number, since it is larger than the sum of its proper divisors (875999).

2265505 is a wasteful number, since it uses less digits than its factorization.

2265505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2265505 is about 1505.1594599909. The cubic root of 2265505 is about 131.3373779464.

The spelling of 2265505 in words is "two million, two hundred sixty-five thousand, five hundred five".