28886440222 has 16 divisors (see below), whose sum is σ = 46744098192. Its totient is φ = 13337134720.

The previous prime is 28886440211. The next prime is 28886440223. The reversal of 28886440222 is 22204468882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28886440223) 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 in 7 ways as a sum of consecutive naturals, for example, 8013304 + ... + 8016907.

It is an arithmetic number, because the mean of its divisors is an integer number (2921506137).

Almost surely, 2^28886440222 is an apocalyptic number.

28886440222 is a deficient number, since it is larger than the sum of its proper divisors (17857657970).

28886440222 is a wasteful number, since it uses less digits than its factorization.

28886440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16030283.

The product of its (nonzero) digits is 786432, while the sum is 46.

The spelling of 28886440222 in words is "twenty-eight billion, eight hundred eighty-six million, four hundred forty thousand, two hundred twenty-two".