556722201 has 32 divisors (see below), whose sum is σ = 861696000. Its totient is φ = 313156800.

The previous prime is 556722181. The next prime is 556722209. The reversal of 556722201 is 102227655.

It is not a de Polignac number, because 556722201 - 2⁵ = 556722169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556722209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421420 + ... + 422738.

It is an arithmetic number, because the mean of its divisors is an integer number (26928000).

Almost surely, 2^556722201 is an apocalyptic number.

It is an amenable number.

556722201 is a deficient number, since it is larger than the sum of its proper divisors (304973799).

556722201 is a wasteful number, since it uses less digits than its factorization.

556722201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 556722201 is about 23594.9613477115. The cubic root of 556722201 is about 822.6457281291.

Adding to 556722201 its reverse (102227655), we get a palindrome (658949856).

The spelling of 556722201 in words is "five hundred fifty-six million, seven hundred twenty-two thousand, two hundred one".