28041522 has 16 divisors (see below), whose sum is σ = 56159040. Its totient is φ = 9334512.

The previous prime is 28041493. The next prime is 28041557. The reversal of 28041522 is 22514082.

It is a junction number, because it is equal to n+sod(n) for n = 28041492 and 28041501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 7857.

It is an arithmetic number, because the mean of its divisors is an integer number (3509940).

Almost surely, 2^28041522 is an apocalyptic number.

28041522 is an abundant number, since it is smaller than the sum of its proper divisors (28117518).

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

28041522 is a wasteful number, since it uses less digits than its factorization.

28041522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 28041522 is about 5295.4246288659. The cubic root of 28041522 is about 303.8089245369.

The spelling of 28041522 in words is "twenty-eight million, forty-one thousand, five hundred twenty-two".