522215330 has 32 divisors (see below), whose sum is σ = 1156909824. Its totient is φ = 165272256.

The previous prime is 522215303. The next prime is 522215341. The reversal of 522215330 is 33512225.

It is a junction number, because it is equal to n+sod(n) for n = 522215296 and 522215305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286022 + ... + 287841.

It is an arithmetic number, because the mean of its divisors is an integer number (36153432).

Almost surely, 2^522215330 is an apocalyptic number.

522215330 is an abundant number, since it is smaller than the sum of its proper divisors (634694494).

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

522215330 is a wasteful number, since it uses less digits than its factorization.

522215330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573890.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 522215330 is about 22852.0312007489. The cubic root of 522215330 is about 805.2854870041.

Adding to 522215330 its reverse (33512225), we get a palindrome (555727555).

The spelling of 522215330 in words is "five hundred twenty-two million, two hundred fifteen thousand, three hundred thirty".