222112222000 has 40 divisors (see below), whose sum is σ = 537067357632. Its totient is φ = 88844888000.

The previous prime is 222112221959. The next prime is 222112222009. The reversal of 222112222000 is 222211222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222112222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55526056 + ... + 55530055.

Almost surely, 2^222112222000 is an apocalyptic number.

222112222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112222000 is an abundant number, since it is smaller than the sum of its proper divisors (314955135632).

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

222112222000 is a wasteful number, since it uses less digits than its factorization.

222112222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111056134 (or 111056118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222112222000 its reverse (222211222), we get a palindrome (222334433222).

The spelling of 222112222000 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand".