223086985 has 16 divisors (see below), whose sum is σ = 295565760. Its totient is φ = 160287040.

The previous prime is 223086931. The next prime is 223086989. The reversal of 223086985 is 589680322.

It is not a de Polignac number, because 223086985 - 2¹¹ = 223084937 is a prime.

It is a super-3 number, since 3×223086985³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223086989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19870 + ... + 28999.

It is an arithmetic number, because the mean of its divisors is an integer number (18472860).

Almost surely, 2^223086985 is an apocalyptic number.

It is an amenable number.

223086985 is a deficient number, since it is larger than the sum of its proper divisors (72478775).

223086985 is a wasteful number, since it uses less digits than its factorization.

223086985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48968.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 223086985 is about 14936.0967123275. The cubic root of 223086985 is about 606.4915364486.

The spelling of 223086985 in words is "two hundred twenty-three million, eighty-six thousand, nine hundred eighty-five".