223630605 has 64 divisors (see below), whose sum is σ = 444407040. Its totient is φ = 105753600.

The previous prime is 223630579. The next prime is 223630619. The reversal of 223630605 is 506036322.

223630605 is a `hidden beast` number, since 2 + 23 + 6 + 30 + 605 = 666.

It is not a de Polignac number, because 223630605 - 2¹² = 223626509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59049 + ... + 62721.

It is an arithmetic number, because the mean of its divisors is an integer number (6943860).

Almost surely, 2^223630605 is an apocalyptic number.

It is an amenable number.

223630605 is a deficient number, since it is larger than the sum of its proper divisors (220776435).

223630605 is a wasteful number, since it uses less digits than its factorization.

223630605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 223630605 is about 14954.2838344068. The cubic root of 223630605 is about 606.9837711781.

Adding to 223630605 its reverse (506036322), we get a palindrome (729666927).

The spelling of 223630605 in words is "two hundred twenty-three million, six hundred thirty thousand, six hundred five".