223868785 has 16 divisors (see below), whose sum is σ = 307921536. Its totient is φ = 153059328.

The previous prime is 223868761. The next prime is 223868789. The reversal of 223868785 is 587868322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 223868785 - 2⁹ = 223868273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223868789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929 + ... + 21361.

It is an arithmetic number, because the mean of its divisors is an integer number (19245096).

Almost surely, 2^223868785 is an apocalyptic number.

It is an amenable number.

223868785 is a deficient number, since it is larger than the sum of its proper divisors (84052751).

223868785 is a wasteful number, since it uses less digits than its factorization.

223868785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18792.

The product of its digits is 1290240, while the sum is 49.

The square root of 223868785 is about 14962.2453194699. The cubic root of 223868785 is about 607.1991860870.

The spelling of 223868785 in words is "two hundred twenty-three million, eight hundred sixty-eight thousand, seven hundred eighty-five".