5270221 has 8 divisors (see below), whose sum is σ = 6087744. Its totient is φ = 4509120.

The previous prime is 5270219. The next prime is 5270231. The reversal of 5270221 is 1220725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5270221 - 2¹ = 5270219 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 (5270231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13905 + ... + 14278.

It is an arithmetic number, because the mean of its divisors is an integer number (760968).

Almost surely, 2^5270221 is an apocalyptic number.

It is an amenable number.

5270221 is a deficient number, since it is larger than the sum of its proper divisors (817523).

5270221 is a wasteful number, since it uses less digits than its factorization.

5270221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28211.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 5270221 is about 2295.6961907012. The cubic root of 5270221 is about 174.0241852144.

Adding to 5270221 its reverse (1220725), we get a palindrome (6490946).

The spelling of 5270221 in words is "five million, two hundred seventy thousand, two hundred twenty-one".