223388 has 12 divisors (see below), whose sum is σ = 426552. Its totient is φ = 101520.
The previous prime is 223381. The next prime is 223403. The reversal of 223388 is 883322.
223388 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a plaindrome in base 10 and base 16.
It is a zygodrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223381) by changing a digit.
223388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2495 + ... + 2582.
It is an arithmetic number, because the mean of its divisors is an integer number (35546).
2223388 is an apocalyptic number.
It is an amenable number.
223388 is a deficient number, since it is larger than the sum of its proper divisors (203164).
223388 is a wasteful number, since it uses less digits than its factorization.
223388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5092 (or 5090 counting only the distinct ones).
The product of its digits is 2304, while the sum is 26.
The square root of 223388 is about 472.6393974268. The cubic root of 223388 is about 60.6764196908.
The spelling of 223388 in words is "two hundred twenty-three thousand, three hundred eighty-eight".
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