223385 has 8 divisors (see below), whose sum is σ = 274560. Its totient is φ = 174384.

The previous prime is 223381. The next prime is 223403. The reversal of 223385 is 583322.

223385 = 50² + 51² + ... + 92².

223385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223385 - 2² = 223381 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁷ + 3⁵ + 3¹⁰ + 8⁵ + 5³ .

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 223385.

It is not an unprimeable number, because it can be changed into a prime (223381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305 + ... + 734.

It is an arithmetic number, because the mean of its divisors is an integer number (34320).

2²²³³⁸⁵ is an apocalyptic number.

It is an amenable number.

223385 is a deficient number, since it is larger than the sum of its proper divisors (51175).

223385 is a wasteful number, since it uses less digits than its factorization.

223385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its digits is 1440, while the sum is 23.

The square root of 223385 is about 472.6362237493. The cubic root of 223385 is about 60.6761480706.

The spelling of 223385 in words is "two hundred twenty-three thousand, three hundred eighty-five".