28022222016 has 42 divisors (see below), whose sum is σ = 80320641492. Its totient is φ = 9340740480.

The previous prime is 28022221961. The next prime is 28022222021. The reversal of 28022222016 is 61022222082.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24324270 + ... + 24325421.

It is an arithmetic number, because the mean of its divisors is an integer number (1912396226).

Almost surely, 2^28022222016 is an apocalyptic number.

It is an amenable number.

28022222016 is an abundant number, since it is smaller than the sum of its proper divisors (52298419476).

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

28022222016 is a wasteful number, since it uses less digits than its factorization.

28022222016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48649709 (or 48649696 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 28022222016 its reverse (61022222082), we get a palindrome (89044444098).

The spelling of 28022222016 in words is "twenty-eight billion, twenty-two million, two hundred twenty-two thousand, sixteen".