5237221 has 4 divisors (see below), whose sum is σ = 5713344. Its totient is φ = 4761100.

The previous prime is 5237209. The next prime is 5237227. The reversal of 5237221 is 1227325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5237221 - 2¹⁷ = 5106149 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5237192 and 5237201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5237227) 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, 238045 + ... + 238066.

It is an arithmetic number, because the mean of its divisors is an integer number (1428336).

Almost surely, 2^5237221 is an apocalyptic number.

It is an amenable number.

5237221 is a deficient number, since it is larger than the sum of its proper divisors (476123).

5237221 is a wasteful number, since it uses less digits than its factorization.

5237221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476122.

The product of its digits is 840, while the sum is 22.

The square root of 5237221 is about 2288.4975420568. The cubic root of 5237221 is about 173.6602013419.

It can be divided in two parts, 523 and 7221, that added together give a square (7744 = 88²).

The spelling of 5237221 in words is "five million, two hundred thirty-seven thousand, two hundred twenty-one".