522030340 has 48 divisors (see below), whose sum is σ = 1197262080. Its totient is φ = 190028160.

The previous prime is 522030331. The next prime is 522030349. The reversal of 522030340 is 43030225.

It is an interprime number because it is at equal distance from previous prime (522030331) and next prime (522030349).

It is not an unprimeable number, because it can be changed into a prime (522030349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4321 + ... + 32599.

It is an arithmetic number, because the mean of its divisors is an integer number (24942960).

Almost surely, 2^522030340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522030340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598631040).

522030340 is an abundant number, since it is smaller than the sum of its proper divisors (675231740).

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

522030340 is a wasteful number, since it uses less digits than its factorization.

522030340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28372 (or 28370 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 522030340 is about 22847.9832808062. The cubic root of 522030340 is about 805.1903874365.

Adding to 522030340 its reverse (43030225), we get a palindrome (565060565).

The spelling of 522030340 in words is "five hundred twenty-two million, thirty thousand, three hundred forty".