28310122 has 8 divisors (see below), whose sum is σ = 42487776. Its totient is φ = 14147532.

The previous prime is 28310111. The next prime is 28310123. The reversal of 28310122 is 22101382.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28310122.

It is not an unprimeable number, because it can be changed into a prime (28310123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5293 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (5310972).

Almost surely, 2^28310122 is an apocalyptic number.

28310122 is a deficient number, since it is larger than the sum of its proper divisors (14177654).

28310122 is a wasteful number, since it uses less digits than its factorization.

28310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 28310122 is about 5320.7257023831. The cubic root of 28310122 is about 304.7758704545.

The spelling of 28310122 in words is "twenty-eight million, three hundred ten thousand, one hundred twenty-two".