9000522 has 12 divisors (see below), whose sum is σ = 19501170. Its totient is φ = 3000168.

The previous prime is 9000517. The next prime is 9000569. The reversal of 9000522 is 2250009.

It can be written as a sum of positive squares in only one way, i.e., 5574321 + 3426201 = 2361^2 + 1851^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 500029 = 9000522 / (9 + 0 + 0 + 0 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 9000495 and 9000504.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249997 + ... + 250032.

Almost surely, 2^9000522 is an apocalyptic number.

9000522 is an abundant number, since it is smaller than the sum of its proper divisors (10500648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9000522 is a wasteful number, since it uses less digits than its factorization.

9000522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500037 (or 500034 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 9000522 is about 3000.0869987385. The cubic root of 9000522 is about 208.0124037228.

The spelling of 9000522 in words is "nine million, five hundred twenty-two", and thus it is an aban number.