2022221132221 has 4 divisors (see below), whose sum is σ = 2022384108700. Its totient is φ = 2022058155744.

The previous prime is 2022221132203. The next prime is 2022221132303. The reversal of 2022221132221 is 1222311222202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 807277092196 + 1214944040025 = 898486^2 + 1102245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022221132221 - 2¹³ = 2022221124029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022221132192 and 2022221132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022221138221) 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, 81469626 + ... + 81494443.

It is an arithmetic number, because the mean of its divisors is an integer number (505596027175).

Almost surely, 2^{2022221132221} is an apocalyptic number.

It is an amenable number.

2022221132221 is a deficient number, since it is larger than the sum of its proper divisors (162976479).

2022221132221 is a wasteful number, since it uses less digits than its factorization.

2022221132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162976478.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2022221132221 its reverse (1222311222202), we get a palindrome (3244532354423).

The spelling of 2022221132221 in words is "two trillion, twenty-two billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred twenty-one".