226463521236 has 12 divisors (see below), whose sum is σ = 528414882912. Its totient is φ = 75487840408.

The previous prime is 226463521199. The next prime is 226463521237. The reversal of 226463521236 is 632125364622.

226463521236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226463521237) 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 3 ways as a sum of consecutive naturals, for example, 9435980040 + ... + 9435980063.

It is an arithmetic number, because the mean of its divisors is an integer number (44034573576).

Almost surely, 2^226463521236 is an apocalyptic number.

It is an amenable number.

226463521236 is an abundant number, since it is smaller than the sum of its proper divisors (301951361676).

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

226463521236 is a wasteful number, since it uses less digits than its factorization.

226463521236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18871960110 (or 18871960108 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

Adding to 226463521236 its reverse (632125364622), we get a palindrome (858588885858).

The spelling of 226463521236 in words is "two hundred twenty-six billion, four hundred sixty-three million, five hundred twenty-one thousand, two hundred thirty-six".