226642604065 has 8 divisors (see below), whose sum is σ = 272302397928. Its totient is φ = 181093234560.

The previous prime is 226642604059. The next prime is 226642604077. The reversal of 226642604065 is 560406246622.

It can be written as a sum of positive squares in 4 ways, for example, as 197009296 + 226445594769 = 14036^2 + 475863^2 .

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

It is not a de Polignac number, because 226642604065 - 2⁷ = 226642603937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27601572 + ... + 27609781.

It is an arithmetic number, because the mean of its divisors is an integer number (34037799741).

Almost surely, 2^226642604065 is an apocalyptic number.

It is an amenable number.

226642604065 is a deficient number, since it is larger than the sum of its proper divisors (45659793863).

226642604065 is an equidigital number, since it uses as much as digits as its factorization.

226642604065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55212179.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 226642604065 in words is "two hundred twenty-six billion, six hundred forty-two million, six hundred four thousand, sixty-five".