223888 has 20 divisors (see below), whose sum is σ = 496000. Its totient is φ = 95904.

The previous prime is 223849. The next prime is 223903. The reversal of 223888 is 888322.

It is a plaindrome in base 10.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (24800).

2²²³⁸⁸⁸ is an apocalyptic number.

223888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

223888 is an abundant number, since it is smaller than the sum of its proper divisors (272112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223888 is a wasteful number, since it uses less digits than its factorization.

223888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014 (or 2008 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 223888 is about 473.1680462584. The cubic root of 223888 is about 60.7216557868.

Adding to 223888 its product of digits (6144), we get a palindrome (230032).

It can be divided in two parts, 223 and 888, that added together give a palindrome (1111).

The spelling of 223888 in words is "two hundred twenty-three thousand, eight hundred eighty-eight".