2205907 has 8 divisors (see below), whose sum is σ = 2511360. Its totient is φ = 1917960.

The previous prime is 2205893. The next prime is 2205911. The reversal of 2205907 is 7095022.

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

It is not a de Polignac number, because 2205907 - 2⁷ = 2205779 is a prime.

It is a Duffinian number.

2205907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2205947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4107 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (313920).

2^2205907 is an apocalyptic number.

2205907 is a deficient number, since it is larger than the sum of its proper divisors (305453).

2205907 is a wasteful number, since it uses less digits than its factorization.

2205907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2205907 is about 1485.2296118782. The cubic root of 2205907 is about 130.1754435941.

The spelling of 2205907 in words is "two million, two hundred five thousand, nine hundred seven".