222750205656 has 32 divisors (see below), whose sum is σ = 607500561600. Its totient is φ = 67500062240.

The previous prime is 222750205637. The next prime is 222750205723. The reversal of 222750205656 is 656502057222.

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, 421875126 + ... + 421875653.

It is an arithmetic number, because the mean of its divisors is an integer number (18984392550).

Almost surely, 2^222750205656 is an apocalyptic number.

It is an amenable number.

222750205656 is an abundant number, since it is smaller than the sum of its proper divisors (384750355944).

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

222750205656 is a wasteful number, since it uses less digits than its factorization.

222750205656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843750799 (or 843750795 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 222750205656 in words is "two hundred twenty-two billion, seven hundred fifty million, two hundred five thousand, six hundred fifty-six".