2022222211 has 4 divisors (see below), whose sum is σ = 2041121592. Its totient is φ = 2003322832.

The previous prime is 2022222197. The next prime is 2022222221. The reversal of 2022222211 is 1122222202.

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

It is a cyclic number.

It is not a de Polignac number, because 2022222211 - 2¹⁵ = 2022189443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022222221) 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, 9449530 + ... + 9449743.

It is an arithmetic number, because the mean of its divisors is an integer number (510280398).

Almost surely, 2^2022222211 is an apocalyptic number.

2022222211 is a deficient number, since it is larger than the sum of its proper divisors (18899381).

2022222211 is a wasteful number, since it uses less digits than its factorization.

2022222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18899380.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2022222211 is about 44969.1250859965. The cubic root of 2022222211 is about 1264.5702448474.

Adding to 2022222211 its reverse (1122222202), we get a palindrome (3144444413).

Subtracting from 2022222211 its reverse (1122222202), we obtain a palindrome (900000009).

The spelling of 2022222211 in words is "two billion, twenty-two million, two hundred twenty-two thousand, two hundred eleven".