2022215321 has 4 divisors (see below), whose sum is σ = 2311103232. Its totient is φ = 1733327412.

The previous prime is 2022215311. The next prime is 2022215323. The reversal of 2022215321 is 1235122202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1235122202 = 2 ⋅617561101.

It is a cyclic number.

It is not a de Polignac number, because 2022215321 - 2¹⁰ = 2022214297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022215293 and 2022215302.

It is not an unprimeable number, because it can be changed into a prime (2022215323) 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, 144443945 + ... + 144443958.

It is an arithmetic number, because the mean of its divisors is an integer number (577775808).

Almost surely, 2^2022215321 is an apocalyptic number.

It is an amenable number.

2022215321 is a deficient number, since it is larger than the sum of its proper divisors (288887911).

2022215321 is an equidigital number, since it uses as much as digits as its factorization.

2022215321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288887910.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2022215321 is about 44969.0484778142. The cubic root of 2022215321 is about 1264.5688086553.

Adding to 2022215321 its reverse (1235122202), we get a palindrome (3257337523).

The spelling of 2022215321 in words is "two billion, twenty-two million, two hundred fifteen thousand, three hundred twenty-one".