28810384022 has 16 divisors (see below), whose sum is σ = 51092307360. Its totient is φ = 11921538048.

The previous prime is 28810384021. The next prime is 28810384049. The reversal of 28810384022 is 22048301882.

It is a happy number.

It is a super-2 number, since 2×28810384022² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28810384021) 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, 35480363 + ... + 35481174.

It is an arithmetic number, because the mean of its divisors is an integer number (3193269210).

Almost surely, 2^28810384022 is an apocalyptic number.

28810384022 is a deficient number, since it is larger than the sum of its proper divisors (22281923338).

28810384022 is a wasteful number, since it uses less digits than its factorization.

28810384022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70961575.

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 28810384022 in words is "twenty-eight billion, eight hundred ten million, three hundred eighty-four thousand, twenty-two".