28422055218 has 8 divisors (see below), whose sum is σ = 56844110448. Its totient is φ = 9474018404.

The previous prime is 28422055171. The next prime is 28422055223. The reversal of 28422055218 is 81255022482.

It is a sphenic number, since it is the product of 3 distinct primes.

28422055218 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368504596 + ... + 2368504607.

It is an arithmetic number, because the mean of its divisors is an integer number (7105513806).

Almost surely, 2^28422055218 is an apocalyptic number.

28422055218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28422055218 is a wasteful number, since it uses less digits than its factorization.

28422055218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737009208.

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 28422055218 in words is "twenty-eight billion, four hundred twenty-two million, fifty-five thousand, two hundred eighteen".