320222112 has 96 divisors (see below), whose sum is σ = 969397632. Its totient is φ = 90660864.

The previous prime is 320222099. The next prime is 320222113. The reversal of 320222112 is 211222023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 320222091 and 320222100.

It is not an unprimeable number, because it can be changed into a prime (320222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73828 + ... + 78044.

It is an arithmetic number, because the mean of its divisors is an integer number (10097892).

Almost surely, 2^320222112 is an apocalyptic number.

320222112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484698816).

320222112 is an abundant number, since it is smaller than the sum of its proper divisors (649175520).

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

320222112 is a wasteful number, since it uses less digits than its factorization.

320222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350 (or 4342 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 320222112 is about 17894.7509622235. The cubic root of 320222112 is about 684.1485946444.

Adding to 320222112 its reverse (211222023), we get a palindrome (531444135).

The spelling of 320222112 in words is "three hundred twenty million, two hundred twenty-two thousand, one hundred twelve".