2235905 has 16 divisors (see below), whose sum is σ = 3091584. Its totient is φ = 1520640.

The previous prime is 2235887. The next prime is 2235907. The reversal of 2235905 is 5095322.

It is not a de Polignac number, because 2235905 - 2⁶ = 2235841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2235907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6590 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (193224).

2^2235905 is an apocalyptic number.

It is an amenable number.

2235905 is a deficient number, since it is larger than the sum of its proper divisors (855679).

2235905 is a wasteful number, since it uses less digits than its factorization.

2235905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 2235905 is about 1495.2942854168. The cubic root of 2235905 is about 130.7628715300.

The spelling of 2235905 in words is "two million, two hundred thirty-five thousand, nine hundred five".