205458222 has 16 divisors (see below), whose sum is σ = 415153872. Its totient is φ = 67779840.

The previous prime is 205458221. The next prime is 205458259. The reversal of 205458222 is 222854502.

205458222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 205458222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205458221) 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, 175929 + ... + 177092.

It is an arithmetic number, because the mean of its divisors is an integer number (25947117).

Almost surely, 2^205458222 is an apocalyptic number.

205458222 is an abundant number, since it is smaller than the sum of its proper divisors (209695650).

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

205458222 is a wasteful number, since it uses less digits than its factorization.

205458222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353123.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 205458222 is about 14333.8139376790. The cubic root of 205458222 is about 590.0758515905.

The spelling of 205458222 in words is "two hundred five million, four hundred fifty-eight thousand, two hundred twenty-two".