5819221 has 2 divisors, whose sum is σ = 5819222. Its totient is φ = 5819220.

The previous prime is 5819189. The next prime is 5819237. The reversal of 5819221 is 1229185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 2686321 = 1770^2 + 1639^2 .

It is a cyclic number.

It is not a de Polignac number, because 5819221 - 2⁵ = 5819189 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5819221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5819291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909610 + 2909611.

It is an arithmetic number, because the mean of its divisors is an integer number (2909611).

Almost surely, 2^5819221 is an apocalyptic number.

It is an amenable number.

5819221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5819221 is an equidigital number, since it uses as much as digits as its factorization.

5819221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 5819221 is about 2412.3061580156. The cubic root of 5819221 is about 179.8684326635.

The spelling of 5819221 in words is "five million, eight hundred nineteen thousand, two hundred twenty-one".