28338607422 has 12 divisors (see below), whose sum is σ = 61400316120. Its totient is φ = 9446202468.

The previous prime is 28338607421. The next prime is 28338607463. The reversal of 28338607422 is 22470683382.

28338607422 is a `hidden beast` number, since 2 + 8 + 3 + 38 + 607 + 4 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28338607421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787183522 + ... + 787183557.

It is an arithmetic number, because the mean of its divisors is an integer number (5116693010).

Almost surely, 2^28338607422 is an apocalyptic number.

28338607422 is an abundant number, since it is smaller than the sum of its proper divisors (33061708698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28338607422 is a wasteful number, since it uses less digits than its factorization.

28338607422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574367087 (or 1574367084 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 28338607422 in words is "twenty-eight billion, three hundred thirty-eight million, six hundred seven thousand, four hundred twenty-two".