2216656422250 has 64 divisors (see below), whose sum is σ = 4419984651264. Its totient is φ = 829508640000.

The previous prime is 2216656422191. The next prime is 2216656422259. The reversal of 2216656422250 is 522246566122.

It is a junction number, because it is equal to n+sod(n) for n = 2216656422197 and 2216656422206.

It is not an unprimeable number, because it can be changed into a prime (2216656422259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 851826 + ... + 2271325.

It is an arithmetic number, because the mean of its divisors is an integer number (69062260176).

Almost surely, 2^{2216656422250} is an apocalyptic number.

2216656422250 is a deficient number, since it is larger than the sum of its proper divisors (2203328229014).

2216656422250 is a wasteful number, since it uses less digits than its factorization.

2216656422250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123352 (or 3123342 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 2216656422250 in words is "two trillion, two hundred sixteen billion, six hundred fifty-six million, four hundred twenty-two thousand, two hundred fifty".