28764022422 has 16 divisors (see below), whose sum is σ = 58865906880. Its totient is φ = 9365030472.

The previous prime is 28764022381. The next prime is 28764022471. The reversal of 28764022422 is 22422046782.

It is a congruent number.

It is an unprimeable number.

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, 55743972 + ... + 55744487.

It is an arithmetic number, because the mean of its divisors is an integer number (3679119180).

Almost surely, 2^28764022422 is an apocalyptic number.

28764022422 is an abundant number, since it is smaller than the sum of its proper divisors (30101884458).

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

28764022422 is a wasteful number, since it uses less digits than its factorization.

28764022422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111488507.

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 28764022422 in words is "twenty-eight billion, seven hundred sixty-four million, twenty-two thousand, four hundred twenty-two".