223662 has 8 divisors (see below), whose sum is σ = 447336. Its totient is φ = 74552.

The previous prime is 223637. The next prime is 223667. The reversal of 223662 is 266322.

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

223662 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 223662.

It is not an unprimeable number, because it can be changed into a prime (223667) by changing a digit.

223662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18633 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (55917).

2²²³⁶⁶² is an apocalyptic number.

223662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223662 is a wasteful number, since it uses less digits than its factorization.

223662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37282.

The product of its digits is 864, while the sum is 21.

The square root of 223662 is about 472.9291701724. The cubic root of 223662 is about 60.7012174213.

Adding to 223662 its reverse (266322), we get a palindrome (489984).

The spelling of 223662 in words is "two hundred twenty-three thousand, six hundred sixty-two".