2022212221 has 8 divisors (see below), whose sum is σ = 2035987200. Its totient is φ = 2008482000.

The previous prime is 2022212219. The next prime is 2022212263. The reversal of 2022212221 is 1222122202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2022212221 - 2¹ = 2022212219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022212195 and 2022212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022212821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82096 + ... + 103846.

It is an arithmetic number, because the mean of its divisors is an integer number (254498400).

Almost surely, 2^2022212221 is an apocalyptic number.

It is an amenable number.

2022212221 is a deficient number, since it is larger than the sum of its proper divisors (13774979).

2022212221 is a wasteful number, since it uses less digits than its factorization.

2022212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22379.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2022212221 is about 44969.0140096489. The cubic root of 2022212221 is about 1264.5681624720.

Adding to 2022212221 its reverse (1222122202), we get a palindrome (3244334423).

The spelling of 2022212221 in words is "two billion, twenty-two million, two hundred twelve thousand, two hundred twenty-one".