5221759221 has 36 divisors (see below), whose sum is σ = 8835599136. Its totient is φ = 2911026240.

The previous prime is 5221759211. The next prime is 5221759229. The reversal of 5221759221 is 1229571225.

5221759221 is a `hidden beast` number, since 52 + 2 + 17 + 592 + 2 + 1 = 666.

5221759221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5221759221 - 2¹⁴ = 5221742837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221759229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81250 + ... + 130556.

Almost surely, 2^5221759221 is an apocalyptic number.

It is an amenable number.

5221759221 is a deficient number, since it is larger than the sum of its proper divisors (3613839915).

5221759221 is a wasteful number, since it uses less digits than its factorization.

5221759221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49402 (or 49358 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 5221759221 is about 72261.7410598444. The cubic root of 5221759221 is about 1734.8913463892.

The spelling of 5221759221 in words is "five billion, two hundred twenty-one million, seven hundred fifty-nine thousand, two hundred twenty-one".