288422089 has 2 divisors, whose sum is σ = 288422090. Its totient is φ = 288422088.

The previous prime is 288422087. The next prime is 288422107. The reversal of 288422089 is 980224882.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146216464 + 142205625 = 12092^2 + 11925^2 .

It is a cyclic number.

It is not a de Polignac number, because 288422089 - 2¹ = 288422087 is a prime.

Together with 288422087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (288422083) 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 as a sum of consecutive naturals, namely, 144211044 + 144211045.

It is an arithmetic number, because the mean of its divisors is an integer number (144211045).

Almost surely, 2^288422089 is an apocalyptic number.

It is an amenable number.

288422089 is a deficient number, since it is larger than the sum of its proper divisors (1).

288422089 is an equidigital number, since it uses as much as digits as its factorization.

288422089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 288422089 is about 16982.9941117578. The cubic root of 288422089 is about 660.7079096998.

The spelling of 288422089 in words is "two hundred eighty-eight million, four hundred twenty-two thousand, eighty-nine".