226573561643 has 32 divisors (see below), whose sum is σ = 280324531200. Its totient is φ = 180040838400.

The previous prime is 226573561607. The next prime is 226573561693. The reversal of 226573561643 is 346165375622.

226573561643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226573561643 - 2²⁴ = 226556784427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226573561591 and 226573561600.

It is not an unprimeable number, because it can be changed into a prime (226573561693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6179198 + ... + 6215756.

It is an arithmetic number, because the mean of its divisors is an integer number (8760141600).

Almost surely, 2^226573561643 is an apocalyptic number.

226573561643 is a deficient number, since it is larger than the sum of its proper divisors (53750969557).

226573561643 is a wasteful number, since it uses less digits than its factorization.

226573561643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38883.

The product of its digits is 5443200, while the sum is 50.

The spelling of 226573561643 in words is "two hundred twenty-six billion, five hundred seventy-three million, five hundred sixty-one thousand, six hundred forty-three".