563661226 has 8 divisors (see below), whose sum is σ = 874646820. Its totient is φ = 272112288.

The previous prime is 563661221. The next prime is 563661227. The reversal of 563661226 is 622166365.

It can be written as a sum of positive squares in 2 ways, for example, as 552203001 + 11458225 = 23499^2 + 3385^2 .

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

It is not an unprimeable number, because it can be changed into a prime (563661221) 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 3 ways as a sum of consecutive naturals, for example, 4859091 + ... + 4859206.

Almost surely, 2^563661226 is an apocalyptic number.

563661226 is a deficient number, since it is larger than the sum of its proper divisors (310985594).

563661226 is a wasteful number, since it uses less digits than its factorization.

563661226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718328.

The product of its digits is 77760, while the sum is 37.

The square root of 563661226 is about 23741.5506233270. The cubic root of 563661226 is about 826.0494638226.

The spelling of 563661226 in words is "five hundred sixty-three million, six hundred sixty-one thousand, two hundred twenty-six".