2212243211 has 4 divisors (see below), whose sum is σ = 2217237432. Its totient is φ = 2207248992.

The previous prime is 2212243199. The next prime is 2212243223. The reversal of 2212243211 is 1123422122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123422122 = 2 ⋅561711061.

It is an interprime number because it is at equal distance from previous prime (2212243199) and next prime (2212243223).

It is a cyclic number.

It is not a de Polignac number, because 2212243211 - 2¹⁸ = 2211981067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212243811) 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, 2496446 + ... + 2497331.

It is an arithmetic number, because the mean of its divisors is an integer number (554309358).

Almost surely, 2^2212243211 is an apocalyptic number.

2212243211 is a deficient number, since it is larger than the sum of its proper divisors (4994221).

2212243211 is an equidigital number, since it uses as much as digits as its factorization.

2212243211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994220.

The product of its digits is 384, while the sum is 20.

The square root of 2212243211 is about 47034.4895900870. The cubic root of 2212243211 is about 1302.9996238288. Note that the first 3 decimals are identical.

Adding to 2212243211 its reverse (1123422122), we get a palindrome (3335665333).

The spelling of 2212243211 in words is "two billion, two hundred twelve million, two hundred forty-three thousand, two hundred eleven".