448822289 has 2 divisors, whose sum is σ = 448822290. Its totient is φ = 448822288.

The previous prime is 448822279. The next prime is 448822291. The reversal of 448822289 is 982228844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423742225 + 25080064 = 20585^2 + 5008^2 .

It is a cyclic number.

It is not a de Polignac number, because 448822289 - 2²⁰ = 447773713 is a prime.

Together with 448822291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448822229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224411144 + 224411145.

It is an arithmetic number, because the mean of its divisors is an integer number (224411145).

Almost surely, 2^448822289 is an apocalyptic number.

It is an amenable number.

448822289 is a deficient number, since it is larger than the sum of its proper divisors (1).

448822289 is an equidigital number, since it uses as much as digits as its factorization.

448822289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 47.

The square root of 448822289 is about 21185.4263351012. The cubic root of 448822289 is about 765.6403364614.

The spelling of 448822289 in words is "four hundred forty-eight million, eight hundred twenty-two thousand, two hundred eighty-nine".