223544 has 8 divisors (see below), whose sum is σ = 419160. Its totient is φ = 111768.

The previous prime is 223543. The next prime is 223547. The reversal of 223544 is 445322.

223544 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 tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁷ + 5⁵ + 3⁹ + 4⁶ + 4⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13964 + ... + 13979.

It is an arithmetic number, because the mean of its divisors is an integer number (52395).

2²²³⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

223544 is a deficient number, since it is larger than the sum of its proper divisors (195616).

223544 is a wasteful number, since it uses less digits than its factorization.

223544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27949 (or 27945 counting only the distinct ones).

The product of its digits is 960, while the sum is 20.

The square root of 223544 is about 472.8043993027. The cubic root of 223544 is about 60.6905405910.

Adding to 223544 its reverse (445322), we get a palindrome (668866).

It can be divided in two parts, 223 and 544, that added together give a palindrome (767).

The spelling of 223544 in words is "two hundred twenty-three thousand, five hundred forty-four".