205244222 has 16 divisors (see below), whose sum is σ = 311580000. Its totient is φ = 101391840.

The previous prime is 205244219. The next prime is 205244243. The reversal of 205244222 is 222442502.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57572 + ... + 61032.

It is an arithmetic number, because the mean of its divisors is an integer number (19473750).

Almost surely, 2^205244222 is an apocalyptic number.

205244222 is a deficient number, since it is larger than the sum of its proper divisors (106335778).

205244222 is a wasteful number, since it uses less digits than its factorization.

205244222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 205244222 is about 14326.3471268848. The cubic root of 205244222 is about 589.8709111433.

Adding to 205244222 its reverse (222442502), we get a palindrome (427686724).

The spelling of 205244222 in words is "two hundred five million, two hundred forty-four thousand, two hundred twenty-two".