2263605 has 8 divisors (see below), whose sum is σ = 3621792. Its totient is φ = 1207248.

The previous prime is 2263579. The next prime is 2263619. The reversal of 2263605 is 5063622.

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

It is not a de Polignac number, because 2263605 - 2¹¹ = 2261557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75439 + ... + 75468.

It is an arithmetic number, because the mean of its divisors is an integer number (452724).

2^2263605 is an apocalyptic number.

It is an amenable number.

2263605 is a deficient number, since it is larger than the sum of its proper divisors (1358187).

2263605 is a wasteful number, since it uses less digits than its factorization.

2263605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150915.

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

The square root of 2263605 is about 1504.5281652399. The cubic root of 2263605 is about 131.3006516519.

The spelling of 2263605 in words is "two million, two hundred sixty-three thousand, six hundred five".