549229 has 2 divisors, whose sum is σ = 549230. Its totient is φ = 549228.

The previous prime is 549221. The next prime is 549247. The reversal of 549229 is 922945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 220900 = 573^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 549229 - 2³ = 549221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 549229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274614 + 274615.

It is an arithmetic number, because the mean of its divisors is an integer number (274615).

2⁵⁴⁹²²⁹ is an apocalyptic number.

It is an amenable number.

549229 is a deficient number, since it is larger than the sum of its proper divisors (1).

549229 is an equidigital number, since it uses as much as digits as its factorization.

549229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 549229 is about 741.0998583187. The cubic root of 549229 is about 81.8938245083.

The spelling of 549229 in words is "five hundred forty-nine thousand, two hundred twenty-nine".