122244289 has 2 divisors, whose sum is σ = 122244290. Its totient is φ = 122244288.

The previous prime is 122244281. The next prime is 122244293. The reversal of 122244289 is 982442221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107993664 + 14250625 = 10392^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 122244289 - 2³ = 122244281 is a prime.

It is a super-3 number, since 3×122244289³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (122244281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61122144 + 61122145.

It is an arithmetic number, because the mean of its divisors is an integer number (61122145).

Almost surely, 2^122244289 is an apocalyptic number.

It is an amenable number.

122244289 is a deficient number, since it is larger than the sum of its proper divisors (1).

122244289 is an equidigital number, since it uses as much as digits as its factorization.

122244289 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 122244289 is about 11056.4139303845. The cubic root of 122244289 is about 496.2983823461.

The spelling of 122244289 in words is "one hundred twenty-two million, two hundred forty-four thousand, two hundred eighty-nine".