684222105790 has 32 divisors (see below), whose sum is σ = 1242274392576. Its totient is φ = 271326493440.

The previous prime is 684222105773. The next prime is 684222105803. The reversal of 684222105790 is 97501222486.

It is a self number, because there is not a number n which added to its sum of digits gives 684222105790.

It is a congruent number.

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, 51687 + ... + 1170946.

It is an arithmetic number, because the mean of its divisors is an integer number (38821074768).

Almost surely, 2^684222105790 is an apocalyptic number.

684222105790 is a deficient number, since it is larger than the sum of its proper divisors (558052286786).

684222105790 is a wasteful number, since it uses less digits than its factorization.

684222105790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223124.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 684222105790 in words is "six hundred eighty-four billion, two hundred twenty-two million, one hundred five thousand, seven hundred ninety".