2022100221 has 4 divisors (see below), whose sum is σ = 2696133632. Its totient is φ = 1348066812.

The previous prime is 2022100211. The next prime is 2022100243. The reversal of 2022100221 is 1220012202.

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.

It is not a de Polignac number, because 2022100221 - 2¹³ = 2022092029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2022100197 and 2022100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022100211) 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, 337016701 + ... + 337016706.

It is an arithmetic number, because the mean of its divisors is an integer number (674033408).

Almost surely, 2^2022100221 is an apocalyptic number.

It is an amenable number.

2022100221 is a deficient number, since it is larger than the sum of its proper divisors (674033411).

2022100221 is an equidigital number, since it uses as much as digits as its factorization.

2022100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674033410.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2022100221 is about 44967.7686904743. The cubic root of 2022100221 is about 1264.5448160517.

Adding to 2022100221 its reverse (1220012202), we get a palindrome (3242112423).

The spelling of 2022100221 in words is "two billion, twenty-two million, one hundred thousand, two hundred twenty-one".