28569844022 has 16 divisors (see below), whose sum is σ = 42937718544. Its totient is φ = 14257296000.

The previous prime is 28569843989. The next prime is 28569844027. The reversal of 28569844022 is 22044896582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28569844027) 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 7 ways as a sum of consecutive naturals, for example, 2934122 + ... + 2943842.

It is an arithmetic number, because the mean of its divisors is an integer number (2683607409).

Almost surely, 2^28569844022 is an apocalyptic number.

28569844022 is a deficient number, since it is larger than the sum of its proper divisors (14367874522).

28569844022 is a wasteful number, since it uses less digits than its factorization.

28569844022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12415.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 28569844022 in words is "twenty-eight billion, five hundred sixty-nine million, eight hundred forty-four thousand, twenty-two".