226788887653 has 2 divisors, whose sum is σ = 226788887654. Its totient is φ = 226788887652.

The previous prime is 226788887569. The next prime is 226788887747. The reversal of 226788887653 is 356788887622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216524563684 + 10264323969 = 465322^2 + 101313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226788887653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226788857653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113394443826 + 113394443827.

It is an arithmetic number, because the mean of its divisors is an integer number (113394443827).

Almost surely, 2^226788887653 is an apocalyptic number.

It is an amenable number.

226788887653 is a deficient number, since it is larger than the sum of its proper divisors (1).

226788887653 is an equidigital number, since it uses as much as digits as its factorization.

226788887653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 433520640, while the sum is 70.

The spelling of 226788887653 in words is "two hundred twenty-six billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, six hundred fifty-three".