686874882222 has 48 divisors (see below), whose sum is σ = 1594905755040. Its totient is φ = 213084565056.

The previous prime is 686874882217. The next prime is 686874882247. The reversal of 686874882222 is 222288478686.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 686874882222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22405197 + ... + 22435832.

It is an arithmetic number, because the mean of its divisors is an integer number (33227203230).

Almost surely, 2^686874882222 is an apocalyptic number.

686874882222 is an abundant number, since it is smaller than the sum of its proper divisors (908030872818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686874882222 is a wasteful number, since it uses less digits than its factorization.

686874882222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44841097 (or 44841094 counting only the distinct ones).

The product of its digits is 66060288, while the sum is 63.

The spelling of 686874882222 in words is "six hundred eighty-six billion, eight hundred seventy-four million, eight hundred eighty-two thousand, two hundred twenty-two".