22442040389 has 2 divisors, whose sum is σ = 22442040390. Its totient is φ = 22442040388.

The previous prime is 22442040349. The next prime is 22442040451. The reversal of 22442040389 is 98304024422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17837739364 + 4604301025 = 133558^2 + 67855^2 .

It is a cyclic number.

It is not a de Polignac number, because 22442040389 - 2²⁰ = 22440991813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22442040349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221020194 + 11221020195.

It is an arithmetic number, because the mean of its divisors is an integer number (11221020195).

Almost surely, 2^22442040389 is an apocalyptic number.

It is an amenable number.

22442040389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442040389 is an equidigital number, since it uses as much as digits as its factorization.

22442040389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 22442040389 in words is "twenty-two billion, four hundred forty-two million, forty thousand, three hundred eighty-nine".