2022323221 has 4 divisors (see below), whose sum is σ = 2043172012. Its totient is φ = 2001474432.

The previous prime is 2022323209. The next prime is 2022323227. The reversal of 2022323221 is 1223232202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1223232202 = 2 ⋅611616101.

It can be written as a sum of positive squares in 2 ways, for example, as 1096338321 + 925984900 = 33111^2 + 30430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022323221 - 2¹⁷ = 2022192149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022323227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10424250 + ... + 10424443.

It is an arithmetic number, because the mean of its divisors is an integer number (510793003).

Almost surely, 2^2022323221 is an apocalyptic number.

It is an amenable number.

2022323221 is a deficient number, since it is larger than the sum of its proper divisors (20848791).

2022323221 is an equidigital number, since it uses as much as digits as its factorization.

2022323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20848790.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2022323221 is about 44970.2481758773. The cubic root of 2022323221 is about 1264.5912995915.

Adding to 2022323221 its reverse (1223232202), we get a palindrome (3245555423).

The spelling of 2022323221 in words is "two billion, twenty-two million, three hundred twenty-three thousand, two hundred twenty-one".