2022200212221 has 24 divisors (see below), whose sum is σ = 3338490939264. Its totient is φ = 1155454477920.

The previous prime is 2022200212217. The next prime is 2022200212273. The reversal of 2022200212221 is 1222120022202.

2022200212221 is a `hidden beast` number, since 202 + 220 + 0 + 21 + 2 + 221 = 666.

It is not a de Polignac number, because 2022200212221 - 2² = 2022200212217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2022200212194 and 2022200212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022200212421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395610 + ... + 2049611.

It is an arithmetic number, because the mean of its divisors is an integer number (139103789136).

Almost surely, 2^{2022200212221} is an apocalyptic number.

2022200212221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2022200212221 is a deficient number, since it is larger than the sum of its proper divisors (1316290727043).

2022200212221 is a wasteful number, since it uses less digits than its factorization.

2022200212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458361 (or 2458358 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2022200212221 its reverse (1222120022202), we get a palindrome (3244320234423).

The spelling of 2022200212221 in words is "two trillion, twenty-two billion, two hundred million, two hundred twelve thousand, two hundred twenty-one".