226686906 has 12 divisors (see below), whose sum is σ = 491155002. Its totient is φ = 75562296.

The previous prime is 226686877. The next prime is 226686907. The reversal of 226686906 is 609686622.

It can be written as a sum of positive squares in only one way, i.e., 137100681 + 89586225 = 11709^2 + 9465^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226686907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6296841 + ... + 6296876.

Almost surely, 2^226686906 is an apocalyptic number.

226686906 is an abundant number, since it is smaller than the sum of its proper divisors (264468096).

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

226686906 is a wasteful number, since it uses less digits than its factorization.

226686906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12593725 (or 12593722 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 226686906 is about 15056.1251987356. The cubic root of 226686906 is about 609.7364318656.

The spelling of 226686906 in words is "two hundred twenty-six million, six hundred eighty-six thousand, nine hundred six".