5225221 has 4 divisors (see below), whose sum is σ = 5234944. Its totient is φ = 5215500.

The previous prime is 5225219. The next prime is 5225237. The reversal of 5225221 is 1225225.

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 5225221 - 2¹ = 5225219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5225201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (1308736).

Almost surely, 2^5225221 is an apocalyptic number.

It is an amenable number.

5225221 is a deficient number, since it is larger than the sum of its proper divisors (9723).

5225221 is an equidigital number, since it uses as much as digits as its factorization.

5225221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722.

The product of its digits is 400, while the sum is 19.

The square root of 5225221 is about 2285.8742310110. The cubic root of 5225221 is about 173.5274645291.

The spelling of 5225221 in words is "five million, two hundred twenty-five thousand, two hundred twenty-one".