2235805 has 32 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 1447680.

The previous prime is 2235803. The next prime is 2235809. The reversal of 2235805 is 5085322.

2235805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2235805 - 2¹ = 2235803 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 2¹⁴ + 3 + 5⁵ + 8⁶ + 0 + 5⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2235805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37866 + ... + 37924.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^2235805 is an apocalyptic number.

It is an amenable number.

2235805 is a deficient number, since it is larger than the sum of its proper divisors (1030115).

2235805 is a wasteful number, since it uses less digits than its factorization.

2235805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2235805 is about 1495.2608468090. The cubic root of 2235805 is about 130.7609220610.

The spelling of 2235805 in words is "two million, two hundred thirty-five thousand, eight hundred five".