2205506227 has 4 divisors (see below), whose sum is σ = 2205934840. Its totient is φ = 2205077616.

The previous prime is 2205506213. The next prime is 2205506267. The reversal of 2205506227 is 7226055022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205506227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205506267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206493 + ... + 216910.

It is an arithmetic number, because the mean of its divisors is an integer number (551483710).

Almost surely, 2^2205506227 is an apocalyptic number.

2205506227 is a deficient number, since it is larger than the sum of its proper divisors (428613).

2205506227 is an equidigital number, since it uses as much as digits as its factorization.

2205506227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428612.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2205506227 is about 46962.8174942688. The cubic root of 2205506227 is about 1301.6755961672.

The spelling of 2205506227 in words is "two billion, two hundred five million, five hundred six thousand, two hundred twenty-seven".