5221213168 has 40 divisors (see below), whose sum is σ = 10340016768. Its totient is φ = 2553138432.

The previous prime is 5221213117. The next prime is 5221213169. The reversal of 5221213168 is 8613121225.

It is a super-2 number, since 2×5221213168² = 54522133891393192448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221213169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259105 + ... + 278527.

Almost surely, 2^5221213168 is an apocalyptic number.

It is an amenable number.

5221213168 is a deficient number, since it is larger than the sum of its proper divisors (5118803600).

5221213168 is a wasteful number, since it uses less digits than its factorization.

5221213168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19801 (or 19795 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 5221213168 is about 72257.9626615642. The cubic root of 5221213168 is about 1734.8308702413.

The spelling of 5221213168 in words is "five billion, two hundred twenty-one million, two hundred thirteen thousand, one hundred sixty-eight".