2236605 has 48 divisors (see below), whose sum is σ = 4432320. Its totient is φ = 956928.

The previous prime is 2236603. The next prime is 2236627. The reversal of 2236605 is 5066322.

It is not a de Polignac number, because 2236605 - 2¹ = 2236603 is a prime.

It is a Curzon number.

2236605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12406 + ... + 12584.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2^2236605 is an apocalyptic number.

It is an amenable number.

2236605 is a deficient number, since it is larger than the sum of its proper divisors (2195715).

2236605 is a wasteful number, since it uses less digits than its factorization.

2236605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2236605 is about 1495.5283347366. The cubic root of 2236605 is about 130.7765161854.

The spelling of 2236605 in words is "two million, two hundred thirty-six thousand, six hundred five".