28318151322 has 24 divisors (see below), whose sum is σ = 61584094260. Its totient is φ = 9404291520.

The previous prime is 28318151321. The next prime is 28318151327. The reversal of 28318151322 is 22315181382.

28318151322 is a `hidden beast` number, since 2 + 8 + 318 + 15 + 1 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28251222561 + 66928761 = 168081^2 + 8181^2 .

It is not an unprimeable number, because it can be changed into a prime (28318151321) 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 11 ways as a sum of consecutive naturals, for example, 2919379 + ... + 2929062.

Almost surely, 2^28318151322 is an apocalyptic number.

28318151322 is an abundant number, since it is smaller than the sum of its proper divisors (33265942938).

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

28318151322 is a wasteful number, since it uses less digits than its factorization.

28318151322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848718 (or 5848715 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The spelling of 28318151322 in words is "twenty-eight billion, three hundred eighteen million, one hundred fifty-one thousand, three hundred twenty-two".