563561226 has 48 divisors (see below), whose sum is σ = 1321354944. Its totient is φ = 179682624.

The previous prime is 563561221. The next prime is 563561227. The reversal of 563561226 is 622165365.

It is a happy number.

563561226 is a `hidden beast` number, since 5 + 6 + 35 + 612 + 2 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (563561221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14031 + ... + 36386.

It is an arithmetic number, because the mean of its divisors is an integer number (27528228).

Almost surely, 2^563561226 is an apocalyptic number.

563561226 is an abundant number, since it is smaller than the sum of its proper divisors (757793718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563561226 is a wasteful number, since it uses less digits than its factorization.

563561226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50457 (or 50445 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 563561226 is about 23739.4445175114. Note that the first 3 decimals coincide. The cubic root of 563561226 is about 826.0006107006. Note that the first 3 decimals are identical.

The spelling of 563561226 in words is "five hundred sixty-three million, five hundred sixty-one thousand, two hundred twenty-six".