556220201 has 8 divisors (see below), whose sum is σ = 581374464. Its totient is φ = 531146880.

The previous prime is 556220173. The next prime is 556220209. The reversal of 556220201 is 102022655.

556220201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 556220201 - 2¹⁸ = 555958057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (556220209) 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, 5960 + ... + 33881.

It is an arithmetic number, because the mean of its divisors is an integer number (72671808).

Almost surely, 2^556220201 is an apocalyptic number.

It is an amenable number.

556220201 is a deficient number, since it is larger than the sum of its proper divisors (25154263).

556220201 is a wasteful number, since it uses less digits than its factorization.

556220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40471.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 556220201 is about 23584.3210841440. The cubic root of 556220201 is about 822.3983921194.

Adding to 556220201 its reverse (102022655), we get a palindrome (658242856).

The spelling of 556220201 in words is "five hundred fifty-six million, two hundred twenty thousand, two hundred one".