226531664236 has 12 divisors (see below), whose sum is σ = 398620636960. Its totient is φ = 112640053680.

The previous prime is 226531664201. The next prime is 226531664237. The reversal of 226531664236 is 632466135622.

It is not an unprimeable number, because it can be changed into a prime (226531664237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156443796 + ... + 156445243.

Almost surely, 2^226531664236 is an apocalyptic number.

It is an amenable number.

226531664236 is a deficient number, since it is larger than the sum of its proper divisors (172088972724).

226531664236 is a wasteful number, since it uses less digits than its factorization.

226531664236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312889224 (or 312889222 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 46.

Adding to 226531664236 its reverse (632466135622), we get a palindrome (858997799858).

The spelling of 226531664236 in words is "two hundred twenty-six billion, five hundred thirty-one million, six hundred sixty-four thousand, two hundred thirty-six".