223805205 has 48 divisors (see below), whose sum is σ = 420166656. Its totient is φ = 109549440.

The previous prime is 223805189. The next prime is 223805243. The reversal of 223805205 is 502508322.

It is not a de Polignac number, because 223805205 - 2⁴ = 223805189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110734 + ... + 112736.

It is an arithmetic number, because the mean of its divisors is an integer number (8753472).

Almost surely, 2^223805205 is an apocalyptic number.

It is an amenable number.

223805205 is a deficient number, since it is larger than the sum of its proper divisors (196361451).

223805205 is a wasteful number, since it uses less digits than its factorization.

223805205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 223805205 is about 14960.1204874827. The cubic root of 223805205 is about 607.1416979777.

The spelling of 223805205 in words is "two hundred twenty-three million, eight hundred five thousand, two hundred five".