28822045 has 24 divisors (see below), whose sum is σ = 41105664. Its totient is φ = 19335456.

The previous prime is 28822039. The next prime is 28822049. The reversal of 28822045 is 54022882.

It is not a de Polignac number, because 28822045 - 2³ = 28822037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28821998 and 28822016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28822049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10264 + ... + 12766.

It is an arithmetic number, because the mean of its divisors is an integer number (1712736).

Almost surely, 2^28822045 is an apocalyptic number.

It is an amenable number.

28822045 is a deficient number, since it is larger than the sum of its proper divisors (12283619).

28822045 is a wasteful number, since it uses less digits than its factorization.

28822045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 28822045 is about 5368.6166747124. The cubic root of 28822045 is about 306.6019626932.

The spelling of 28822045 in words is "twenty-eight million, eight hundred twenty-two thousand, forty-five".