205604223 has 16 divisors (see below), whose sum is σ = 299534976. Its totient is φ = 124411040.

The previous prime is 205604219. The next prime is 205604249. The reversal of 205604223 is 322406502.

205604223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 205604223 - 2² = 205604219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205604193 and 205604202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205604293) 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, 17740 + ... + 26942.

It is an arithmetic number, because the mean of its divisors is an integer number (18720936).

Almost surely, 2^205604223 is an apocalyptic number.

205604223 is a deficient number, since it is larger than the sum of its proper divisors (93930753).

205604223 is a wasteful number, since it uses less digits than its factorization.

205604223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9894.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 205604223 is about 14338.9059206064. The cubic root of 205604223 is about 590.2155900814.

The spelling of 205604223 in words is "two hundred five million, six hundred four thousand, two hundred twenty-three".