205505222 has 16 divisors (see below), whose sum is σ = 332225712. Its totient is φ = 94775520.

The previous prime is 205505191. The next prime is 205505227. The reversal of 205505222 is 222505502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205505227) 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, 46697 + ... + 50907.

It is an arithmetic number, because the mean of its divisors is an integer number (20764107).

Almost surely, 2^205505222 is an apocalyptic number.

205505222 is a deficient number, since it is larger than the sum of its proper divisors (126720490).

205505222 is a wasteful number, since it uses less digits than its factorization.

205505222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 205505222 is about 14335.4533238402. The cubic root of 205505222 is about 590.1208428143.

The spelling of 205505222 in words is "two hundred five million, five hundred five thousand, two hundred twenty-two".