218628228362 has 32 divisors (see below), whose sum is σ = 339762345984. Its totient is φ = 105462126000.

The previous prime is 218628228349. The next prime is 218628228373. The reversal of 218628228362 is 263822826812.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 218628228362.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360523 + ... + 1512705.

It is an arithmetic number, because the mean of its divisors is an integer number (10617573312).

Almost surely, 2^218628228362 is an apocalyptic number.

218628228362 is a deficient number, since it is larger than the sum of its proper divisors (121134117622).

218628228362 is a wasteful number, since it uses less digits than its factorization.

218628228362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152474.

The product of its digits is 1769472, while the sum is 50.

The spelling of 218628228362 in words is "two hundred eighteen billion, six hundred twenty-eight million, two hundred twenty-eight thousand, three hundred sixty-two".