223865005 has 24 divisors (see below), whose sum is σ = 332456832. Its totient is φ = 141695424.

The previous prime is 223864967. The next prime is 223865063. The reversal of 223865005 is 500568322.

It is a happy number.

It is not a de Polignac number, because 223865005 - 2⁷ = 223864877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13009 + ... + 24838.

It is an arithmetic number, because the mean of its divisors is an integer number (13852368).

Almost surely, 2^223865005 is an apocalyptic number.

It is an amenable number.

223865005 is a deficient number, since it is larger than the sum of its proper divisors (108591827).

223865005 is a wasteful number, since it uses less digits than its factorization.

223865005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37885 (or 37872 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 223865005 is about 14962.1190009972. The cubic root of 223865005 is about 607.1957685705.

The spelling of 223865005 in words is "two hundred twenty-three million, eight hundred sixty-five thousand, five".