22038388387 has 2 divisors, whose sum is σ = 22038388388. Its totient is φ = 22038388386.

The previous prime is 22038388381. The next prime is 22038388391. The reversal of 22038388387 is 78388383022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22038388387 - 2⁷ = 22038388259 is a prime.

It is not a weakly prime, because it can be changed into another prime (22038388381) 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, 11019194193 + 11019194194.

It is an arithmetic number, because the mean of its divisors is an integer number (11019194194).

Almost surely, 2^22038388387 is an apocalyptic number.

22038388387 is a deficient number, since it is larger than the sum of its proper divisors (1).

22038388387 is an equidigital number, since it uses as much as digits as its factorization.

22038388387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 22038388387 in words is "twenty-two billion, thirty-eight million, three hundred eighty-eight thousand, three hundred eighty-seven".