28283122 has 8 divisors (see below), whose sum is σ = 48485376. Its totient is φ = 12121332.

The previous prime is 28283119. The next prime is 28283137. The reversal of 28283122 is 22138282.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010098 + ... + 1010125.

It is an arithmetic number, because the mean of its divisors is an integer number (6060672).

Almost surely, 2^28283122 is an apocalyptic number.

28283122 is a deficient number, since it is larger than the sum of its proper divisors (20202254).

28283122 is a wasteful number, since it uses less digits than its factorization.

28283122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020232.

The product of its digits is 3072, while the sum is 28.

The square root of 28283122 is about 5318.1878492584. The cubic root of 28283122 is about 304.6789491021.

The spelling of 28283122 in words is "twenty-eight million, two hundred eighty-three thousand, one hundred twenty-two".