218226344284 has 12 divisors (see below), whose sum is σ = 411272725864. Its totient is φ = 100719851184.

The previous prime is 218226344257. The next prime is 218226344317. The reversal of 218226344284 is 482443622812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098330182 + ... + 2098330285.

Almost surely, 2^218226344284 is an apocalyptic number.

It is an amenable number.

218226344284 is a deficient number, since it is larger than the sum of its proper divisors (193046381580).

218226344284 is a wasteful number, since it uses less digits than its factorization.

218226344284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196660484 (or 4196660482 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 46.

The spelling of 218226344284 in words is "two hundred eighteen billion, two hundred twenty-six million, three hundred forty-four thousand, two hundred eighty-four".