559256221 has 8 divisors (see below), whose sum is σ = 584108640. Its totient is φ = 534916368.

The previous prime is 559256197. The next prime is 559256227. The reversal of 559256221 is 122652955.

It is the 9655-th star number.

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

It is a cyclic number.

It is not a de Polignac number, because 559256221 - 2¹⁵ = 559223453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (559256227) 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, 125911 + ... + 130276.

It is an arithmetic number, because the mean of its divisors is an integer number (73013580).

Almost surely, 2^559256221 is an apocalyptic number.

It is an amenable number.

559256221 is a deficient number, since it is larger than the sum of its proper divisors (24852419).

559256221 is a wasteful number, since it uses less digits than its factorization.

559256221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256283.

The product of its digits is 54000, while the sum is 37.

The square root of 559256221 is about 23648.5987111287. The cubic root of 559256221 is about 823.8919785856.

The spelling of 559256221 in words is "five hundred fifty-nine million, two hundred fifty-six thousand, two hundred twenty-one".