2220343240424 has 8 divisors (see below), whose sum is σ = 4163143575810. Its totient is φ = 1110171620208.

The previous prime is 2220343240417. The next prime is 2220343240433. The reversal of 2220343240424 is 4240423430222.

It can be written as a sum of positive squares in only one way, i.e., 1674047822500 + 546295417924 = 1293850^2 + 739118^2 .

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, 138771452519 + ... + 138771452534.

Almost surely, 2^{2220343240424} is an apocalyptic number.

It is an amenable number.

2220343240424 is a deficient number, since it is larger than the sum of its proper divisors (1942800335386).

2220343240424 is a wasteful number, since it uses less digits than its factorization.

2220343240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277542905059 (or 277542905055 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 2220343240424 its reverse (4240423430222), we get a palindrome (6460766670646).

The spelling of 2220343240424 in words is "two trillion, two hundred twenty billion, three hundred forty-three million, two hundred forty thousand, four hundred twenty-four".