4226686618 has 16 divisors (see below), whose sum is σ = 7904453184. Its totient is φ = 1646760960.

The previous prime is 4226686613. The next prime is 4226686643. The reversal of 4226686618 is 8166866224.

It is not an unprimeable number, because it can be changed into a prime (4226686613) 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, 13722855 + ... + 13723162.

It is an arithmetic number, because the mean of its divisors is an integer number (494028324).

Almost surely, 2^4226686618 is an apocalyptic number.

4226686618 is a deficient number, since it is larger than the sum of its proper divisors (3677766566).

4226686618 is a wasteful number, since it uses less digits than its factorization.

4226686618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27446037.

The product of its digits is 1327104, while the sum is 49.

The square root of 4226686618 is about 65012.9726900716. The cubic root of 4226686618 is about 1616.8386524131.

It can be divided in two parts, 4 and 226686618, that added together give a palindrome (226686622).

The spelling of 4226686618 in words is "four billion, two hundred twenty-six million, six hundred eighty-six thousand, six hundred eighteen".