2205307 has 4 divisors (see below), whose sum is σ = 2374960. Its totient is φ = 2035656.

The previous prime is 2205293. The next prime is 2205319. The reversal of 2205307 is 7035022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2205307 - 2¹⁵ = 2172539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84807 + ... + 84832.

It is an arithmetic number, because the mean of its divisors is an integer number (593740).

2^2205307 is an apocalyptic number.

2205307 is a deficient number, since it is larger than the sum of its proper divisors (169653).

2205307 is a wasteful number, since it uses less digits than its factorization.

2205307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169652.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 2205307 is about 1485.0276091710. The cubic root of 2205307 is about 130.1636400822.

The spelling of 2205307 in words is "two million, two hundred five thousand, three hundred seven".