5287822191 has 24 divisors (see below), whose sum is σ = 7673247296. Its totient is φ = 3508971840.

The previous prime is 5287822123. The next prime is 5287822219. The reversal of 5287822191 is 1912287825.

It is not a de Polignac number, because 5287822191 - 2⁷ = 5287822063 is a prime.

It is a super-2 number, since 2×5287822191² = 55922127047264080962, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287822691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2217786 + ... + 2220168.

Almost surely, 2^5287822191 is an apocalyptic number.

5287822191 is a deficient number, since it is larger than the sum of its proper divisors (2385425105).

5287822191 is a wasteful number, since it uses less digits than its factorization.

5287822191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423 (or 3420 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 5287822191 is about 72717.4132584486. The cubic root of 5287822191 is about 1742.1770204035.

The spelling of 5287822191 in words is "five billion, two hundred eighty-seven million, eight hundred twenty-two thousand, one hundred ninety-one".