218353500022 has 24 divisors (see below), whose sum is σ = 382999397760. Its totient is φ = 93090115440.

The previous prime is 218353499999. The next prime is 218353500037. The reversal of 218353500022 is 220005353812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5813997 + ... + 5851432.

It is an arithmetic number, because the mean of its divisors is an integer number (15958308240).

Almost surely, 2^218353500022 is an apocalyptic number.

218353500022 is a deficient number, since it is larger than the sum of its proper divisors (164645897738).

218353500022 is a wasteful number, since it uses less digits than its factorization.

218353500022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665636 (or 11665629 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 218353500022 its reverse (220005353812), we get a palindrome (438358853834).

The spelling of 218353500022 in words is "two hundred eighteen billion, three hundred fifty-three million, five hundred thousand, twenty-two".