4552510221 has 24 divisors (see below), whose sum is σ = 7842007680. Its totient is φ = 2488327776.

The previous prime is 4552510211. The next prime is 4552510247. The reversal of 4552510221 is 1220152554.

4552510221 is a `hidden beast` number, since 4 + 552 + 5 + 102 + 2 + 1 = 666.

It is not a de Polignac number, because 4552510221 - 2²³ = 4544121613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4552510201) 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 in 23 ways as a sum of consecutive naturals, for example, 1569466 + ... + 1572363.

It is an arithmetic number, because the mean of its divisors is an integer number (326750320).

Almost surely, 2^4552510221 is an apocalyptic number.

It is an amenable number.

4552510221 is a deficient number, since it is larger than the sum of its proper divisors (3289497459).

4552510221 is a wasteful number, since it uses less digits than its factorization.

4552510221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141865 (or 3141862 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 4552510221 is about 67472.2922465215. The cubic root of 4552510221 is about 1657.3604711823.

Adding to 4552510221 its reverse (1220152554), we get a palindrome (5772662775).

The spelling of 4552510221 in words is "four billion, five hundred fifty-two million, five hundred ten thousand, two hundred twenty-one".