5219221 has 16 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 4135680.

The previous prime is 5219219. The next prime is 5219261. The reversal of 5219221 is 1229125.

It is a cyclic number.

It is not a de Polignac number, because 5219221 - 2¹ = 5219219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5219192 and 5219201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5219261) 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 15 ways as a sum of consecutive naturals, for example, 6900 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^5219221 is an apocalyptic number.

It is an amenable number.

5219221 is a deficient number, since it is larger than the sum of its proper divisors (1208939).

5219221 is a wasteful number, since it uses less digits than its factorization.

5219221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its digits is 360, while the sum is 22.

The square root of 5219221 is about 2284.5614458797. The cubic root of 5219221 is about 173.4610199037.

The spelling of 5219221 in words is "five million, two hundred nineteen thousand, two hundred twenty-one".