222109617556 has 12 divisors (see below), whose sum is σ = 388699799040. Its totient is φ = 111052532120.

The previous prime is 222109617533. The next prime is 222109617559. The reversal of 222109617556 is 655716901222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222109617559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339346 + ... + 747913.

It is an arithmetic number, because the mean of its divisors is an integer number (32391649920).

Almost surely, 2^222109617556 is an apocalyptic number.

It is an amenable number.

222109617556 is a deficient number, since it is larger than the sum of its proper divisors (166590181484).

222109617556 is a wasteful number, since it uses less digits than its factorization.

222109617556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138334 (or 1138332 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 222109617556 in words is "two hundred twenty-two billion, one hundred nine million, six hundred seventeen thousand, five hundred fifty-six".