205000222 has 12 divisors (see below), whose sum is σ = 357704640. Its totient is φ = 87857196.

The previous prime is 205000189. The next prime is 205000223. The reversal of 205000222 is 222000502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205000223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1045822 + ... + 1046017.

It is an arithmetic number, because the mean of its divisors is an integer number (29808720).

Almost surely, 2^205000222 is an apocalyptic number.

205000222 is a deficient number, since it is larger than the sum of its proper divisors (152704418).

205000222 is a wasteful number, since it uses less digits than its factorization.

205000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091855 (or 2091848 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 205000222 is about 14317.8288158505. The cubic root of 205000222 is about 589.6370668415.

Adding to 205000222 its reverse (222000502), we get a palindrome (427000724).

The spelling of 205000222 in words is "two hundred five million, two hundred twenty-two", and thus it is an aban number.