1818224668 has 12 divisors (see below), whose sum is σ = 3426654280. Its totient is φ = 839180592.

The previous prime is 1818224561. The next prime is 1818224671. The reversal of 1818224668 is 8664228181.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17482878 + ... + 17482981.

Almost surely, 2^1818224668 is an apocalyptic number.

It is an amenable number.

1818224668 is a deficient number, since it is larger than the sum of its proper divisors (1608429612).

1818224668 is a wasteful number, since it uses less digits than its factorization.

1818224668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34965876 (or 34965874 counting only the distinct ones).

The product of its digits is 294912, while the sum is 46.

The square root of 1818224668 is about 42640.6457268180. The cubic root of 1818224668 is about 1220.5320325752.

The spelling of 1818224668 in words is "one billion, eight hundred eighteen million, two hundred twenty-four thousand, six hundred sixty-eight".