222222211110220 has 48 divisors (see below), whose sum is σ = 475495341219360. Its totient is φ = 87207394666496.

The previous prime is 222222211110209. The next prime is 222222211110257. The reversal of 222222211110220 is 22011112222222.

It is a super-2 number, since 2×222222211110220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222222211110191 and 222222211110200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16129239 + ... + 26544241.

It is an arithmetic number, because the mean of its divisors is an integer number (9906152942070).

Almost surely, 2^{222222211110220} is an apocalyptic number.

222222211110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222211110220 is an abundant number, since it is smaller than the sum of its proper divisors (253273130109140).

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

222222211110220 is a wasteful number, since it uses less digits than its factorization.

222222211110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10435194 (or 10435192 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222222211110220 its reverse (22011112222222), we get a palindrome (244233323332442).

The spelling of 222222211110220 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred ten thousand, two hundred twenty".