28080022 has 8 divisors (see below), whose sum is σ = 44597736. Its totient is φ = 13214112.

The previous prime is 28080007. The next prime is 28080023. The reversal of 28080022 is 22008082.

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

It is a junction number, because it is equal to n+sod(n) for n = 28079975 and 28080002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28080023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412908 + ... + 412975.

It is an arithmetic number, because the mean of its divisors is an integer number (5574717).

Almost surely, 2^28080022 is an apocalyptic number.

28080022 is a deficient number, since it is larger than the sum of its proper divisors (16517714).

28080022 is a wasteful number, since it uses less digits than its factorization.

28080022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825902.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 28080022 is about 5299.0585956375. The cubic root of 28080022 is about 303.9479005246.

The spelling of 28080022 in words is "twenty-eight million, eighty thousand, twenty-two".