559221 has 12 divisors (see below), whose sum is σ = 808128. Its totient is φ = 343824.

The previous prime is 559219. The next prime is 559231. The reversal of 559221 is 122955.

It is not a de Polignac number, because 559221 - 2¹ = 559219 is a prime.

559221 is a lucky number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 559191 and 559200.

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 559221.

It is not an unprimeable number, because it can be changed into a prime (559201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45 + ... + 1058.

It is an arithmetic number, because the mean of its divisors is an integer number (67344).

2⁵⁵⁹²²¹ is an apocalyptic number.

It is an amenable number.

559221 is a deficient number, since it is larger than the sum of its proper divisors (248907).

559221 is a wasteful number, since it uses less digits than its factorization.

559221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1119 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 559221 is about 747.8108049500. The cubic root of 559221 is about 82.3874682453.

It can be divided in two parts, 559 and 221, that added together give a triangular number (780 = T₃₉).

The spelling of 559221 in words is "five hundred fifty-nine thousand, two hundred twenty-one".