226640640404 has 6 divisors (see below), whose sum is σ = 396621120714. Its totient is φ = 113320320200.

The previous prime is 226640640403. The next prime is 226640640427. The reversal of 226640640404 is 404046046622.

226640640404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 195417043600 + 31223596804 = 442060^2 + 176702^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226640640403) 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 as a sum of consecutive naturals, namely, 28330080047 + ... + 28330080054.

It is an arithmetic number, because the mean of its divisors is an integer number (66103520119).

Almost surely, 2^226640640404 is an apocalyptic number.

It is an amenable number.

226640640404 is a deficient number, since it is larger than the sum of its proper divisors (169980480310).

226640640404 is a wasteful number, since it uses less digits than its factorization.

226640640404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56660160105 (or 56660160103 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 226640640404 in words is "two hundred twenty-six billion, six hundred forty million, six hundred forty thousand, four hundred four".