222321030120 has 144 divisors (see below), whose sum is σ = 840509675460. Its totient is φ = 50816231424.

The previous prime is 222321030077. The next prime is 222321030137. The reversal of 222321030120 is 21030123222.

222321030120 is a `hidden beast` number, since 2 + 22 + 321 + 0 + 301 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 198315246276 + 24005783844 = 445326^2 + 154938^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 222321030093 and 222321030102.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6283977 + ... + 6319256.

Almost surely, 2^222321030120 is an apocalyptic number.

222321030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222321030120 is an abundant number, since it is smaller than the sum of its proper divisors (618188645340).

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

222321030120 is a wasteful number, since it uses less digits than its factorization.

222321030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603264 (or 12603250 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222321030120 its reverse (21030123222), we get a palindrome (243351153342).

The spelling of 222321030120 in words is "two hundred twenty-two billion, three hundred twenty-one million, thirty thousand, one hundred twenty".