244122289 has 2 divisors, whose sum is σ = 244122290. Its totient is φ = 244122288.

The previous prime is 244122287. The next prime is 244122301. The reversal of 244122289 is 982221442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177422400 + 66699889 = 13320^2 + 8167^2 .

It is a cyclic number.

It is not a de Polignac number, because 244122289 - 2¹ = 244122287 is a prime.

Together with 244122287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (244122287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122061144 + 122061145.

It is an arithmetic number, because the mean of its divisors is an integer number (122061145).

Almost surely, 2^244122289 is an apocalyptic number.

It is an amenable number.

244122289 is a deficient number, since it is larger than the sum of its proper divisors (1).

244122289 is an equidigital number, since it uses as much as digits as its factorization.

244122289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 244122289 is about 15624.4132369827. The cubic root of 244122289 is about 624.9843528883.

The spelling of 244122289 in words is "two hundred forty-four million, one hundred twenty-two thousand, two hundred eighty-nine".