222881937656 has 32 divisors (see below), whose sum is σ = 478277868000. Its totient is φ = 95386087296.

The previous prime is 222881937637. The next prime is 222881937683. The reversal of 222881937656 is 656739188222.

It is a junction number, because it is equal to n+sod(n) for n = 222881937595 and 222881937604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2767091 + ... + 2846498.

It is an arithmetic number, because the mean of its divisors is an integer number (14946183375).

Almost surely, 2^222881937656 is an apocalyptic number.

It is an amenable number.

222881937656 is an abundant number, since it is smaller than the sum of its proper divisors (255395930344).

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

222881937656 is a wasteful number, since it uses less digits than its factorization.

222881937656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614311 (or 5614307 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The spelling of 222881937656 in words is "two hundred twenty-two billion, eight hundred eighty-one million, nine hundred thirty-seven thousand, six hundred fifty-six".