222607680728 has 16 divisors (see below), whose sum is σ = 417644398080. Its totient is φ = 111235841248.

The previous prime is 222607680611. The next prime is 222607680733. The reversal of 222607680728 is 827086706222.

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, 8485976 + ... + 8512167.

It is an arithmetic number, because the mean of its divisors is an integer number (26102774880).

Almost surely, 2^222607680728 is an apocalyptic number.

It is an amenable number.

222607680728 is a deficient number, since it is larger than the sum of its proper divisors (195036717352).

222607680728 is a wasteful number, since it uses less digits than its factorization.

222607680728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16999786 (or 16999782 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 222607680728 in words is "two hundred twenty-two billion, six hundred seven million, six hundred eighty thousand, seven hundred twenty-eight".