22938387391 has 2 divisors, whose sum is σ = 22938387392. Its totient is φ = 22938387390.

The previous prime is 22938387359. The next prime is 22938387401. The reversal of 22938387391 is 19378383922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22938387391 - 2⁵ = 22938387359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22938357391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11469193695 + 11469193696.

It is an arithmetic number, because the mean of its divisors is an integer number (11469193696).

Almost surely, 2^22938387391 is an apocalyptic number.

22938387391 is a deficient number, since it is larger than the sum of its proper divisors (1).

22938387391 is an equidigital number, since it uses as much as digits as its factorization.

22938387391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The spelling of 22938387391 in words is "twenty-two billion, nine hundred thirty-eight million, three hundred eighty-seven thousand, three hundred ninety-one".