2265909 has 8 divisors (see below), whose sum is σ = 3078432. Its totient is φ = 1482000.

The previous prime is 2265899. The next prime is 2265911. The reversal of 2265909 is 9095622.

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

It is not a de Polignac number, because 2265909 - 2⁵ = 2265877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2265909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265979) 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, 6967 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (384804).

2^2265909 is an apocalyptic number.

It is an amenable number.

2265909 is a deficient number, since it is larger than the sum of its proper divisors (812523).

2265909 is a wasteful number, since it uses less digits than its factorization.

2265909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14307.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 2265909 is about 1505.2936590579. The cubic root of 2265909 is about 131.3451844688.

The spelling of 2265909 in words is "two million, two hundred sixty-five thousand, nine hundred nine".