556422005 has 16 divisors (see below), whose sum is σ = 672711600. Its totient is φ = 441815040.

The previous prime is 556421993. The next prime is 556422059. The reversal of 556422005 is 500224655.

It can be written as a sum of positive squares in 8 ways, for example, as 2007889 + 554414116 = 1417^2 + 23546^2 .

It is not a de Polignac number, because 556422005 - 2⁴ = 556421989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492281 + ... + 493409.

It is an arithmetic number, because the mean of its divisors is an integer number (42044475).

Almost surely, 2^556422005 is an apocalyptic number.

It is an amenable number.

556422005 is a deficient number, since it is larger than the sum of its proper divisors (116289595).

556422005 is a wasteful number, since it uses less digits than its factorization.

556422005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 556422005 is about 23588.5990469973. The cubic root of 556422005 is about 822.4978390756.

The spelling of 556422005 in words is "five hundred fifty-six million, four hundred twenty-two thousand, five".