2222120213 has 4 divisors (see below), whose sum is σ = 2222218368. Its totient is φ = 2222022060.

The previous prime is 2222120209. The next prime is 2222120221. The reversal of 2222120213 is 3120212222.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2222120213 - 2² = 2222120209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222120191 and 2222120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222120233) 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, 4058 + ... + 66788.

It is an arithmetic number, because the mean of its divisors is an integer number (555554592).

Almost surely, 2^2222120213 is an apocalyptic number.

It is an amenable number.

2222120213 is a deficient number, since it is larger than the sum of its proper divisors (98155).

2222120213 is an equidigital number, since it uses as much as digits as its factorization.

2222120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98154.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2222120213 is about 47139.3700954945. The cubic root of 2222120213 is about 1304.9359124539.

Adding to 2222120213 its reverse (3120212222), we get a palindrome (5342332435).

The spelling of 2222120213 in words is "two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred thirteen".