226706729808 has 40 divisors (see below), whose sum is σ = 630709750048. Its totient is φ = 69755916672.

The previous prime is 226706729807. The next prime is 226706729849. The reversal of 226706729808 is 808927607622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226706729807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181655410 + ... + 181656657.

Almost surely, 2^226706729808 is an apocalyptic number.

It is an amenable number.

226706729808 is an abundant number, since it is smaller than the sum of its proper divisors (404003020240).

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

226706729808 is a wasteful number, since it uses less digits than its factorization.

226706729808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363312091 (or 363312085 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 226706729808 in words is "two hundred twenty-six billion, seven hundred six million, seven hundred twenty-nine thousand, eight hundred eight".