229821449 has 8 divisors (see below), whose sum is σ = 270000192. Its totient is φ = 192857040.

The previous prime is 229821437. The next prime is 229821463. The reversal of 229821449 is 944128922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229821449 - 2¹⁶ = 229755913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229821469) 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 7 ways as a sum of consecutive naturals, for example, 803429 + ... + 803714.

It is an arithmetic number, because the mean of its divisors is an integer number (33750024).

Almost surely, 2^229821449 is an apocalyptic number.

It is an amenable number.

229821449 is a deficient number, since it is larger than the sum of its proper divisors (40178743).

229821449 is a wasteful number, since it uses less digits than its factorization.

229821449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607167.

The product of its digits is 82944, while the sum is 41.

The square root of 229821449 is about 15159.8630930494. The cubic root of 229821449 is about 612.5339802889.

The spelling of 229821449 in words is "two hundred twenty-nine million, eight hundred twenty-one thousand, four hundred forty-nine".