8520322 has 12 divisors (see below), whose sum is σ = 13489686. Its totient is φ = 4035600.

The previous prime is 8520311. The next prime is 8520329. The reversal of 8520322 is 2230258.

It can be written as a sum of positive squares in only one way, i.e., 7177041 + 1343281 = 2679^2 + 1159^2 .

It is a d-powerful number, because it can be written as 8 + 5⁴ + 2¹⁷ + 0 + 3² + 2²² + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 8520293 and 8520302.

It is not an unprimeable number, because it can be changed into a prime (8520329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5179 + ... + 6622.

Almost surely, 2^8520322 is an apocalyptic number.

8520322 is a deficient number, since it is larger than the sum of its proper divisors (4969364).

8520322 is a wasteful number, since it uses less digits than its factorization.

8520322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841 (or 11822 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 8520322 is about 2918.9590610353. The cubic root of 8520322 is about 204.2452676026.

Subtracting from 8520322 its reverse (2230258), we obtain a square (6290064 = 2508²).

The spelling of 8520322 in words is "eight million, five hundred twenty thousand, three hundred twenty-two".