222001120220 has 96 divisors (see below), whose sum is σ = 511286307840. Its totient is φ = 80299600640.

The previous prime is 222001120219. The next prime is 222001120261. The reversal of 222001120220 is 22021100222.

222001120220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222001120195 and 222001120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62410682 + ... + 62414238.

It is an arithmetic number, because the mean of its divisors is an integer number (5325899040).

Almost surely, 2^222001120220 is an apocalyptic number.

222001120220 is a gapful number since it is divisible by the number (20) 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 222001120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255643153920).

222001120220 is an abundant number, since it is smaller than the sum of its proper divisors (289285187620).

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

222001120220 is a wasteful number, since it uses less digits than its factorization.

222001120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003 (or 5001 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222001120220 its reverse (22021100222), we get a palindrome (244022220442).

The spelling of 222001120220 in words is "two hundred twenty-two billion, one million, one hundred twenty thousand, two hundred twenty".