205458226 has 16 divisors (see below), whose sum is σ = 326755296. Its totient is φ = 96556096.

The previous prime is 205458221. The next prime is 205458259. The reversal of 205458226 is 622854502.

205458226 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 (34).

It is a junction number, because it is equal to n+sod(n) for n = 205458191 and 205458200.

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, 24465 + ... + 31771.

It is an arithmetic number, because the mean of its divisors is an integer number (20422206).

Almost surely, 2^205458226 is an apocalyptic number.

205458226 is the 9066-th centered pentagonal number.

205458226 is a deficient number, since it is larger than the sum of its proper divisors (121297070).

205458226 is a wasteful number, since it uses less digits than its factorization.

205458226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8153.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 205458226 is about 14333.8140772092. The cubic root of 205458226 is about 590.0758554198.

The spelling of 205458226 in words is "two hundred five million, four hundred fifty-eight thousand, two hundred twenty-six".