563227721 has 8 divisors (see below), whose sum is σ = 644109120. Its totient is φ = 482451408.

The previous prime is 563227681. The next prime is 563227723. The reversal of 563227721 is 127722365.

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 563227721 - 2²² = 559033417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563227723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14426 + ... + 36531.

It is an arithmetic number, because the mean of its divisors is an integer number (80513640).

Almost surely, 2^563227721 is an apocalyptic number.

It is an amenable number.

563227721 is a deficient number, since it is larger than the sum of its proper divisors (80881399).

563227721 is a wasteful number, since it uses less digits than its factorization.

563227721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52543.

The product of its digits is 35280, while the sum is 35.

The square root of 563227721 is about 23732.4191982191. The cubic root of 563227721 is about 825.8376413081.

The spelling of 563227721 in words is "five hundred sixty-three million, two hundred twenty-seven thousand, seven hundred twenty-one".