5530221 has 16 divisors (see below), whose sum is σ = 8236800. Its totient is φ = 3667104.

The previous prime is 5530211. The next prime is 5530241. The reversal of 5530221 is 1220355.

It is a happy number.

It is not a de Polignac number, because 5530221 - 2¹³ = 5522029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5530194 and 5530203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5530201) 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 15 ways as a sum of consecutive naturals, for example, 6025 + ... + 6881.

It is an arithmetic number, because the mean of its divisors is an integer number (514800).

Almost surely, 2^5530221 is an apocalyptic number.

It is an amenable number.

5530221 is a deficient number, since it is larger than the sum of its proper divisors (2706579).

5530221 is a wasteful number, since it uses less digits than its factorization.

5530221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 5530221 is about 2351.6421921712. The cubic root of 5530221 is about 176.8401314310.

Adding to 5530221 its reverse (1220355), we get a palindrome (6750576).

It can be divided in two parts, 55 and 30221, that added together give a square (30276 = 174²).

The spelling of 5530221 in words is "five million, five hundred thirty thousand, two hundred twenty-one".