222222102220 has 12 divisors (see below), whose sum is σ = 466666414704. Its totient is φ = 88888840880.

The previous prime is 222222102199. The next prime is 222222102227. The reversal of 222222102220 is 22201222222.

It is a super-2 number, since 2×222222102220² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222222102227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555552536 + ... + 5555552575.

It is an arithmetic number, because the mean of its divisors is an integer number (38888867892).

Almost surely, 2^222222102220 is an apocalyptic number.

222222102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222102220 is an abundant number, since it is smaller than the sum of its proper divisors (244444312484).

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

222222102220 is a wasteful number, since it uses less digits than its factorization.

222222102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111105120 (or 11111105118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222222102220 its reverse (22201222222), we get a palindrome (244423324442).

The spelling of 222222102220 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty".