522250530 has 64 divisors (see below), whose sum is σ = 1325462400. Its totient is φ = 131328000.

The previous prime is 522250517. The next prime is 522250567. The reversal of 522250530 is 35052225.

It is a self number, because there is not a number n which added to its sum of digits gives 522250530.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 128530 + ... + 132530.

It is an arithmetic number, because the mean of its divisors is an integer number (20710350).

Almost surely, 2^522250530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522250530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662731200).

522250530 is an abundant number, since it is smaller than the sum of its proper divisors (803211870).

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

522250530 is a wasteful number, since it uses less digits than its factorization.

522250530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 522250530 is about 22852.8013600084. The cubic root of 522250530 is about 805.3035800592.

The spelling of 522250530 in words is "five hundred twenty-two million, two hundred fifty thousand, five hundred thirty".