2212214433221 has 16 divisors (see below), whose sum is σ = 2486260721280. Its totient is φ = 1953028566720.

The previous prime is 2212214433203. The next prime is 2212214433271. The reversal of 2212214433221 is 1223344122122.

It is a cyclic number.

It is not a de Polignac number, because 2212214433221 - 2²⁶ = 2212147324357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212214433271) 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, 2119931 + ... + 2986391.

It is an arithmetic number, because the mean of its divisors is an integer number (155391295080).

Almost surely, 2^{2212214433221} is an apocalyptic number.

It is an amenable number.

2212214433221 is a deficient number, since it is larger than the sum of its proper divisors (274046288059).

2212214433221 is a wasteful number, since it uses less digits than its factorization.

2212214433221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875036.

The product of its digits is 9216, while the sum is 29.

Adding to 2212214433221 its reverse (1223344122122), we get a palindrome (3435558555343).

The spelling of 2212214433221 in words is "two trillion, two hundred twelve billion, two hundred fourteen million, four hundred thirty-three thousand, two hundred twenty-one".