223427685 has 32 divisors (see below), whose sum is σ = 407635200. Its totient is φ = 103523328.

The previous prime is 223427641. The next prime is 223427693. The reversal of 223427685 is 586724322.

223427685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223427685 - 2⁸ = 223427429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 31 ways as a sum of consecutive naturals, for example, 30385 + ... + 37014.

It is an arithmetic number, because the mean of its divisors is an integer number (12738600).

Almost surely, 2^223427685 is an apocalyptic number.

It is an amenable number.

223427685 is a deficient number, since it is larger than the sum of its proper divisors (184207515).

223427685 is a wasteful number, since it uses less digits than its factorization.

223427685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67437.

The product of its digits is 161280, while the sum is 39.

The square root of 223427685 is about 14947.4976166581. The cubic root of 223427685 is about 606.8001254442.

The spelling of 223427685 in words is "two hundred twenty-three million, four hundred twenty-seven thousand, six hundred eighty-five".