2221224424 has 8 divisors (see below), whose sum is σ = 4164795810. Its totient is φ = 1110612208.

The previous prime is 2221224419. The next prime is 2221224433. The reversal of 2221224424 is 4244221222.

It can be written as a sum of positive squares in only one way, i.e., 1357922500 + 863301924 = 36850^2 + 29382^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138826519 + ... + 138826534.

Almost surely, 2^2221224424 is an apocalyptic number.

It is an amenable number.

2221224424 is a deficient number, since it is larger than the sum of its proper divisors (1943571386).

2221224424 is a wasteful number, since it uses less digits than its factorization.

2221224424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277653059 (or 277653055 counting only the distinct ones).

The product of its digits is 4096, while the sum is 25.

The square root of 2221224424 is about 47129.8676425046. The cubic root of 2221224424 is about 1304.7605387513.

Adding to 2221224424 its reverse (4244221222), we get a palindrome (6465445646).

The spelling of 2221224424 in words is "two billion, two hundred twenty-one million, two hundred twenty-four thousand, four hundred twenty-four".