28316287022 has 8 divisors (see below), whose sum is σ = 44321144976. Its totient is φ = 13542572032.

The previous prime is 28316286937. The next prime is 28316287033. The reversal of 28316287022 is 22078261382.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28316287022² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307785683 + ... + 307785774.

It is an arithmetic number, because the mean of its divisors is an integer number (5540143122).

Almost surely, 2^28316287022 is an apocalyptic number.

28316287022 is a deficient number, since it is larger than the sum of its proper divisors (16004857954).

28316287022 is a wasteful number, since it uses less digits than its factorization.

28316287022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615571482.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 28316287022 in words is "twenty-eight billion, three hundred sixteen million, two hundred eighty-seven thousand, twenty-two".