202222112222220 has 48 divisors (see below), whose sum is σ = 566234416526688. Its totient is φ = 53924705896960.

The previous prime is 202222112222177. The next prime is 202222112222231. The reversal of 202222112222220 is 22222211222202.

It is a super-2 number, since 2×202222112222220² (a number of 29 digits) contains 22 as substring.

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, 34467561 + ... + 39905600.

It is an arithmetic number, because the mean of its divisors is an integer number (11796550344306).

Almost surely, 2^{202222112222220} is an apocalyptic number.

202222112222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222112222220 is an abundant number, since it is smaller than the sum of its proper divisors (364012304304468).

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

202222112222220 is a wasteful number, since it uses less digits than its factorization.

202222112222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74418490 (or 74418488 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 202222112222220 its reverse (22222211222202), we get a palindrome (224444323444422).

The spelling of 202222112222220 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty".