218545822202 has 32 divisors (see below), whose sum is σ = 335579811840. Its totient is φ = 106712490160.

The previous prime is 218545822177. The next prime is 218545822207. The reversal of 218545822202 is 202228545812.

It is a super-2 number, since 2×218545822202² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 218545822202.

It is not an unprimeable number, because it can be changed into a prime (218545822207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12500327 + ... + 12517797.

It is an arithmetic number, because the mean of its divisors is an integer number (10486869120).

Almost surely, 2^218545822202 is an apocalyptic number.

218545822202 is a deficient number, since it is larger than the sum of its proper divisors (117033989638).

218545822202 is a wasteful number, since it uses less digits than its factorization.

218545822202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18226.

The product of its (nonzero) digits is 204800, while the sum is 41.

The spelling of 218545822202 in words is "two hundred eighteen billion, five hundred forty-five million, eight hundred twenty-two thousand, two hundred two".