222000912 has 140 divisors (see below), whose sum is σ = 737294080. Its totient is φ = 63405504.

The previous prime is 222000901. The next prime is 222000913. The reversal of 222000912 is 219000222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222000913) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 80289 + ... + 83007.

Almost surely, 2^222000912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222000912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368647040).

222000912 is an abundant number, since it is smaller than the sum of its proper divisors (515293168).

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

222000912 is an equidigital number, since it uses as much as digits as its factorization.

222000912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 222000912 is about 14899.6950304360. The cubic root of 222000912 is about 605.5057238098.

The spelling of 222000912 in words is "two hundred twenty-two million, nine hundred twelve", and thus it is an aban number.