522039330 has 48 divisors (see below), whose sum is σ = 1407579264. Its totient is φ = 139209840.

The previous prime is 522039319. The next prime is 522039337. The reversal of 522039330 is 33930225.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 522039294 and 522039303.

It is not an unprimeable number, because it can be changed into a prime (522039337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104986 + ... + 109845.

It is an arithmetic number, because the mean of its divisors is an integer number (29324568).

Almost surely, 2^522039330 is an apocalyptic number.

522039330 is an abundant number, since it is smaller than the sum of its proper divisors (885539934).

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

522039330 is a wasteful number, since it uses less digits than its factorization.

522039330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214853 (or 214841 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 522039330 is about 22848.1800150472. The cubic root of 522039330 is about 805.1950095306.

Adding to 522039330 its reverse (33930225), we get a palindrome (555969555).

The spelling of 522039330 in words is "five hundred twenty-two million, thirty-nine thousand, three hundred thirty".