5302221 has 4 divisors (see below), whose sum is σ = 7069632. Its totient is φ = 3534812.

The previous prime is 5302207. The next prime is 5302223. The reversal of 5302221 is 1222035.

5302221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5302221 - 2⁷ = 5302093 is a prime.

It is a super-2 number, since 2×5302221² = 56227095065682, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

5302221 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5302221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5302223) 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, 883701 + ... + 883706.

It is an arithmetic number, because the mean of its divisors is an integer number (1767408).

Almost surely, 2^5302221 is an apocalyptic number.

It is an amenable number.

5302221 is a deficient number, since it is larger than the sum of its proper divisors (1767411).

5302221 is a wasteful number, since it uses less digits than its factorization.

5302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767410.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 5302221 is about 2302.6552064953. The cubic root of 5302221 is about 174.3756910855.

Adding to 5302221 its reverse (1222035), we get a palindrome (6524256).

The spelling of 5302221 in words is "five million, three hundred two thousand, two hundred twenty-one".