222123120320 has 28 divisors (see below), whose sum is σ = 528930681024. Its totient is φ = 88849248000.

The previous prime is 222123120311. The next prime is 222123120337. The reversal of 222123120320 is 23021321222.

It is a happy number.

It is a super-3 number, since 3×222123120320³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222123120292 and 222123120301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347067056 + ... + 347067695.

Almost surely, 2^222123120320 is an apocalyptic number.

222123120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222123120320 is an abundant number, since it is smaller than the sum of its proper divisors (306807560704).

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

222123120320 is an equidigital number, since it uses as much as digits as its factorization.

222123120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694134768 (or 694134758 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222123120320 its reverse (23021321222), we get a palindrome (245144441542).

The spelling of 222123120320 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred twenty thousand, three hundred twenty".