28122296 has 16 divisors (see below), whose sum is σ = 53242800. Its totient is φ = 13924224.

The previous prime is 28122293. The next prime is 28122317. The reversal of 28122296 is 69222182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28122293) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16241 + ... + 17888.

It is an arithmetic number, because the mean of its divisors is an integer number (3327675).

Almost surely, 2^28122296 is an apocalyptic number.

It is an amenable number.

28122296 is a deficient number, since it is larger than the sum of its proper divisors (25120504).

28122296 is a wasteful number, since it uses less digits than its factorization.

28122296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34238 (or 34234 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 28122296 is about 5303.0459172065. The cubic root of 28122296 is about 304.1003535261.

The spelling of 28122296 in words is "twenty-eight million, one hundred twenty-two thousand, two hundred ninety-six".