5524105221 has 6 divisors (see below), whose sum is σ = 7979263110. Its totient is φ = 3682736808.

The previous prime is 5524105207. The next prime is 5524105241. The reversal of 5524105221 is 1225014255.

5524105221 is a `hidden beast` number, since 552 + 4 + 105 + 2 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5168028321 + 356076900 = 71889^2 + 18870^2 .

It is not a de Polignac number, because 5524105221 - 2⁹ = 5524104709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5524105241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306894726 + ... + 306894743.

It is an arithmetic number, because the mean of its divisors is an integer number (1329877185).

Almost surely, 2^5524105221 is an apocalyptic number.

It is an amenable number.

5524105221 is a deficient number, since it is larger than the sum of its proper divisors (2455157889).

5524105221 is a wasteful number, since it uses less digits than its factorization.

5524105221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613789475 (or 613789472 counting only the distinct ones).

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

The square root of 5524105221 is about 74324.3245579803. The cubic root of 5524105221 is about 1767.7491920391.

Adding to 5524105221 its reverse (1225014255), we get a palindrome (6749119476).

The spelling of 5524105221 in words is "five billion, five hundred twenty-four million, one hundred five thousand, two hundred twenty-one".