522220260 has 48 divisors (see below), whose sum is σ = 1464120000. Its totient is φ = 139077504.

The previous prime is 522220253. The next prime is 522220261. The reversal of 522220260 is 62022225.

It is not an unprimeable number, because it can be changed into a prime (522220261) 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, 44491 + ... + 54989.

It is an arithmetic number, because the mean of its divisors is an integer number (30502500).

Almost surely, 2^522220260 is an apocalyptic number.

It is an amenable number.

522220260 is an abundant number, since it is smaller than the sum of its proper divisors (941899740).

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

522220260 is a wasteful number, since it uses less digits than its factorization.

522220260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340 (or 11338 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 522220260 is about 22852.1390683673. The cubic root of 522220260 is about 805.2880211087.

Adding to 522220260 its reverse (62022225), we get a palindrome (584242485).

The spelling of 522220260 in words is "five hundred twenty-two million, two hundred twenty thousand, two hundred sixty".