22389289387 has 2 divisors, whose sum is σ = 22389289388. Its totient is φ = 22389289386.

The previous prime is 22389289337. The next prime is 22389289411. The reversal of 22389289387 is 78398298322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22389289387 - 2¹⁵ = 22389256619 is a prime.

It is not a weakly prime, because it can be changed into another prime (22389289337) 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, 11194644693 + 11194644694.

It is an arithmetic number, because the mean of its divisors is an integer number (11194644694).

Almost surely, 2^22389289387 is an apocalyptic number.

22389289387 is a deficient number, since it is larger than the sum of its proper divisors (1).

22389289387 is an equidigital number, since it uses as much as digits as its factorization.

22389289387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 61.

The spelling of 22389289387 in words is "twenty-two billion, three hundred eighty-nine million, two hundred eighty-nine thousand, three hundred eighty-seven".