28395522 has 24 divisors (see below), whose sum is σ = 63803376. Its totient is φ = 9465012.

The previous prime is 28395487. The next prime is 28395529. The reversal of 28395522 is 22559382.

It is not an unprimeable number, because it can be changed into a prime (28395529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28728 + ... + 29699.

It is an arithmetic number, because the mean of its divisors is an integer number (2658474).

Almost surely, 2^28395522 is an apocalyptic number.

28395522 is an abundant number, since it is smaller than the sum of its proper divisors (35407854).

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

28395522 is an equidigital number, since it uses as much as digits as its factorization.

28395522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58444 (or 58432 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 28395522 is about 5328.7448803635. The cubic root of 28395522 is about 305.0820239842.

The spelling of 28395522 in words is "twenty-eight million, three hundred ninety-five thousand, five hundred twenty-two".