223601 has 8 divisors (see below), whose sum is σ = 270720. Its totient is φ = 180288.

The previous prime is 223589. The next prime is 223621. The reversal of 223601 is 106322.

223601 = 64² + 65² + ... + 97².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223621) 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, 821 + ... + 1058.

It is an arithmetic number, because the mean of its divisors is an integer number (33840).

2²²³⁶⁰¹ is an apocalyptic number.

It is an amenable number.

223601 is a deficient number, since it is larger than the sum of its proper divisors (47119).

223601 is a wasteful number, since it uses less digits than its factorization.

223601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 223601 is about 472.8646740876. The cubic root of 223601 is about 60.6956985119.

Adding to 223601 its reverse (106322), we get a palindrome (329923).

The spelling of 223601 in words is "two hundred twenty-three thousand, six hundred one".