205822434 has 32 divisors (see below), whose sum is σ = 438333120. Its totient is φ = 64205312.

The previous prime is 205822433. The next prime is 205822471. The reversal of 205822434 is 434228502.

205822434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205822433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12622 + ... + 23894.

It is an arithmetic number, because the mean of its divisors is an integer number (13697910).

Almost surely, 2^205822434 is an apocalyptic number.

205822434 is an abundant number, since it is smaller than the sum of its proper divisors (232510686).

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

205822434 is a wasteful number, since it uses less digits than its factorization.

205822434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11474.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 205822434 is about 14346.5129561159. The cubic root of 205822434 is about 590.4243179572.

The spelling of 205822434 in words is "two hundred five million, eight hundred twenty-two thousand, four hundred thirty-four".