222618860196 has 12 divisors (see below), whose sum is σ = 519444007152. Its totient is φ = 74206286728.

The previous prime is 222618860179. The next prime is 222618860201. The reversal of 222618860196 is 691068816222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9275785830 + ... + 9275785853.

It is an arithmetic number, because the mean of its divisors is an integer number (43287000596).

Almost surely, 2^222618860196 is an apocalyptic number.

It is an amenable number.

222618860196 is an abundant number, since it is smaller than the sum of its proper divisors (296825146956).

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

222618860196 is a wasteful number, since it uses less digits than its factorization.

222618860196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551571690 (or 18551571688 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 222618860196 in words is "two hundred twenty-two billion, six hundred eighteen million, eight hundred sixty thousand, one hundred ninety-six".