2022120221 has 16 divisors (see below), whose sum is σ = 2244487488. Its totient is φ = 1806364800.

The previous prime is 2022120211. The next prime is 2022120223. The reversal of 2022120221 is 1220212202.

It is a cyclic number.

It is not a de Polignac number, because 2022120221 - 2³⁰ = 948378397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022120196 and 2022120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022120223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217886 + ... + 226976.

It is an arithmetic number, because the mean of its divisors is an integer number (140280468).

Almost surely, 2^2022120221 is an apocalyptic number.

It is an amenable number.

2022120221 is a deficient number, since it is larger than the sum of its proper divisors (222367267).

2022120221 is a wasteful number, since it uses less digits than its factorization.

2022120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2022120221 is about 44967.9910714277. The cubic root of 2022120221 is about 1264.5489851186.

Adding to 2022120221 its reverse (1220212202), we get a palindrome (3242332423).

The spelling of 2022120221 in words is "two billion, twenty-two million, one hundred twenty thousand, two hundred twenty-one".