5221181 has 16 divisors (see below), whose sum is σ = 6456960. Its totient is φ = 4121280.

The previous prime is 5221171. The next prime is 5221187. The reversal of 5221181 is 1811225.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5221181 - 2¹⁸ = 4959037 is a prime.

It is a super-2 number, since 2×5221181² = 54521462069522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4391 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (403560).

Almost surely, 2^5221181 is an apocalyptic number.

It is an amenable number.

5221181 is a deficient number, since it is larger than the sum of its proper divisors (1235779).

5221181 is a wasteful number, since it uses less digits than its factorization.

5221181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its digits is 160, while the sum is 20.

The square root of 5221181 is about 2284.9903719710. The cubic root of 5221181 is about 173.4827307458.

The spelling of 5221181 in words is "five million, two hundred twenty-one thousand, one hundred eighty-one".