205305234222 has 64 divisors (see below), whose sum is σ = 453440332800. Its totient is φ = 61454217600.

The previous prime is 205305234187. The next prime is 205305234241. The reversal of 205305234222 is 222432503502.

It is a self number, because there is not a number n which added to its sum of digits gives 205305234222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1722283 + ... + 1837625.

It is an arithmetic number, because the mean of its divisors is an integer number (7085005200).

Almost surely, 2^205305234222 is an apocalyptic number.

205305234222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205305234222 is an abundant number, since it is smaller than the sum of its proper divisors (248135098578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205305234222 is a wasteful number, since it uses less digits than its factorization.

205305234222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115689.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 205305234222 its reverse (222432503502), we get a palindrome (427737737724).

The spelling of 205305234222 in words is "two hundred five billion, three hundred five million, two hundred thirty-four thousand, two hundred twenty-two".