522312030 has 32 divisors (see below), whose sum is σ = 1392832800. Its totient is φ = 139283136.

The previous prime is 522312023. The next prime is 522312041. The reversal of 522312030 is 30213225.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 522311994 and 522312012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966975 + ... + 967514.

It is an arithmetic number, because the mean of its divisors is an integer number (43526025).

Almost surely, 2^522312030 is an apocalyptic number.

522312030 is an abundant number, since it is smaller than the sum of its proper divisors (870520770).

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

522312030 is a wasteful number, since it uses less digits than its factorization.

522312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934505 (or 1934499 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 522312030 is about 22854.1468884752. The cubic root of 522312030 is about 805.3351895540.

Adding to 522312030 its reverse (30213225), we get a palindrome (552525255).

The spelling of 522312030 in words is "five hundred twenty-two million, three hundred twelve thousand, thirty".