222510666668856 has 128 divisors (see below), whose sum is σ = 564574770312000. Its totient is φ = 73070907604992.

The previous prime is 222510666668753. The next prime is 222510666668933. The reversal of 222510666668856 is 658866666015222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2962465830 + ... + 2962540938.

Almost surely, 2^{222510666668856} is an apocalyptic number.

It is an amenable number.

222510666668856 is an abundant number, since it is smaller than the sum of its proper divisors (342064103643144).

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

222510666668856 is a wasteful number, since it uses less digits than its factorization.

222510666668856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81001 (or 80997 counting only the distinct ones).

The product of its (nonzero) digits is 597196800, while the sum is 69.

The spelling of 222510666668856 in words is "two hundred twenty-two trillion, five hundred ten billion, six hundred sixty-six million, six hundred sixty-eight thousand, eight hundred fifty-six".