229549 has 2 divisors, whose sum is σ = 229550. Its totient is φ = 229548.

The previous prime is 229547. The next prime is 229553. The reversal of 229549 is 945922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220900 + 8649 = 470^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 229549 - 2¹ = 229547 is a prime.

Together with 229547, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 229549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114774 + 114775.

It is an arithmetic number, because the mean of its divisors is an integer number (114775).

2²²⁹⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

229549 is a deficient number, since it is larger than the sum of its proper divisors (1).

229549 is an equidigital number, since it uses as much as digits as its factorization.

229549 is an evil number, because the sum of its binary digits is even.

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

The square root of 229549 is about 479.1127216011. The cubic root of 229549 is about 61.2291835411.

The spelling of 229549 in words is "two hundred twenty-nine thousand, five hundred forty-nine".