5228381 has 4 divisors (see below), whose sum is σ = 5408700. Its totient is φ = 5048064.

The previous prime is 5228351. The next prime is 5228389. The reversal of 5228381 is 1838225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3705625 + 1522756 = 1925^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 5228381 - 2⁶ = 5228317 is a prime.

It is a super-2 number, since 2×5228381² = 54671935762322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 180289 = 5228381 / (5 + 2 + 2 + 8 + 3 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5228389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90116 + ... + 90173.

It is an arithmetic number, because the mean of its divisors is an integer number (1352175).

Almost surely, 2^5228381 is an apocalyptic number.

It is an amenable number.

5228381 is a deficient number, since it is larger than the sum of its proper divisors (180319).

5228381 is a wasteful number, since it uses less digits than its factorization.

5228381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180318.

The product of its digits is 3840, while the sum is 29.

The square root of 5228381 is about 2286.5653281724. The cubic root of 5228381 is about 173.5624382515.

The spelling of 5228381 in words is "five million, two hundred twenty-eight thousand, three hundred eighty-one".