8247122 has 8 divisors (see below), whose sum is σ = 13322316. Its totient is φ = 3806352.

The previous prime is 8247103. The next prime is 8247199. The reversal of 8247122 is 2217428.

It can be written as a sum of positive squares in 2 ways, for example, as 8116801 + 130321 = 2849^2 + 361^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 317197 = 8247122 / (8 + 2 + 4 + 7 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 8247091 and 8247100.

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, 158573 + ... + 158624.

Almost surely, 2^8247122 is an apocalyptic number.

8247122 is a deficient number, since it is larger than the sum of its proper divisors (5075194).

8247122 is a wasteful number, since it uses less digits than its factorization.

8247122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317212.

The product of its digits is 1792, while the sum is 26.

The square root of 8247122 is about 2871.7802840747. The cubic root of 8247122 is about 202.0385019574.

The spelling of 8247122 in words is "eight million, two hundred forty-seven thousand, one hundred twenty-two".