222308897216 has 56 divisors (see below), whose sum is σ = 505097283936. Its totient is φ = 95099028480.

The previous prime is 222308897137. The next prime is 222308897231. The reversal of 222308897216 is 612798803222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

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, 216251 + ... + 700986.

It is an arithmetic number, because the mean of its divisors is an integer number (9019594356).

Almost surely, 2^222308897216 is an apocalyptic number.

It is an amenable number.

222308897216 is an abundant number, since it is smaller than the sum of its proper divisors (282788386720).

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

222308897216 is an equidigital number, since it uses as much as digits as its factorization.

222308897216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917797 (or 917787 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 222308897216 in words is "two hundred twenty-two billion, three hundred eight million, eight hundred ninety-seven thousand, two hundred sixteen".