205320222 has 12 divisors (see below), whose sum is σ = 444860520. Its totient is φ = 68440068.

The previous prime is 205320221. The next prime is 205320229. The reversal of 205320222 is 222023502.

205320222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11406679 = 205320222 / (2 + 0 + 5 + 3 + 2 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 205320195 and 205320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205320221) 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, 5703322 + ... + 5703357.

It is an arithmetic number, because the mean of its divisors is an integer number (37071710).

Almost surely, 2^205320222 is an apocalyptic number.

205320222 is an abundant number, since it is smaller than the sum of its proper divisors (239540298).

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

205320222 is a wasteful number, since it uses less digits than its factorization.

205320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406687 (or 11406684 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 205320222 is about 14328.9993370088. Note that the first 3 decimals coincide. The cubic root of 205320222 is about 589.9437100372.

Adding to 205320222 its reverse (222023502), we get a palindrome (427343724).

The spelling of 205320222 in words is "two hundred five million, three hundred twenty thousand, two hundred twenty-two".