4552221241 has 2 divisors, whose sum is σ = 4552221242. Its totient is φ = 4552221240.

The previous prime is 4552221239. The next prime is 4552221253. The reversal of 4552221241 is 1421222554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3387705616 + 1164515625 = 58204^2 + 34125^2 .

It is a cyclic number.

It is not a de Polignac number, because 4552221241 - 2¹ = 4552221239 is a prime.

Together with 4552221239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4552221221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2276110620 + 2276110621.

It is an arithmetic number, because the mean of its divisors is an integer number (2276110621).

Almost surely, 2^4552221241 is an apocalyptic number.

It is an amenable number.

4552221241 is a deficient number, since it is larger than the sum of its proper divisors (1).

4552221241 is an equidigital number, since it uses as much as digits as its factorization.

4552221241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 28.

The square root of 4552221241 is about 67470.1507409017. The cubic root of 4552221241 is about 1657.3254023126.

Adding to 4552221241 its reverse (1421222554), we get a palindrome (5973443795).

The spelling of 4552221241 in words is "four billion, five hundred fifty-two million, two hundred twenty-one thousand, two hundred forty-one".