2212243221224 has 8 divisors (see below), whose sum is σ = 4147956039810. Its totient is φ = 1106121610608.

The previous prime is 2212243221211. The next prime is 2212243221271. The reversal of 2212243221224 is 4221223422122.

It can be written as a sum of positive squares in only one way, i.e., 1606987228900 + 605255992324 = 1267670^2 + 777982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138265201319 + ... + 138265201334.

Almost surely, 2^{2212243221224} is an apocalyptic number.

It is an amenable number.

2212243221224 is a deficient number, since it is larger than the sum of its proper divisors (1935712818586).

2212243221224 is a wasteful number, since it uses less digits than its factorization.

2212243221224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276530402659 (or 276530402655 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

Adding to 2212243221224 its reverse (4221223422122), we get a palindrome (6433466643346).

The spelling of 2212243221224 in words is "two trillion, two hundred twelve billion, two hundred forty-three million, two hundred twenty-one thousand, two hundred twenty-four".