4550224421 has 2 divisors, whose sum is σ = 4550224422. Its totient is φ = 4550224420.

The previous prime is 4550224417. The next prime is 4550224433. The reversal of 4550224421 is 1244220554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4357320100 + 192904321 = 66010^2 + 13889^2 .

It is a cyclic number.

It is not a de Polignac number, because 4550224421 - 2² = 4550224417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4550220421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275112210 + 2275112211.

It is an arithmetic number, because the mean of its divisors is an integer number (2275112211).

Almost surely, 2^4550224421 is an apocalyptic number.

It is an amenable number.

4550224421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550224421 is an equidigital number, since it uses as much as digits as its factorization.

4550224421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 4550224421 is about 67455.3513147771. The cubic root of 4550224421 is about 1657.0830397138.

Adding to 4550224421 its reverse (1244220554), we get a palindrome (5794444975).

The spelling of 4550224421 in words is "four billion, five hundred fifty million, two hundred twenty-four thousand, four hundred twenty-one".