522013420 has 12 divisors (see below), whose sum is σ = 1096228224. Its totient is φ = 208805360.

The previous prime is 522013411. The next prime is 522013423. The reversal of 522013420 is 24310225.

It is not an unprimeable number, because it can be changed into a prime (522013423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13050316 + ... + 13050355.

It is an arithmetic number, because the mean of its divisors is an integer number (91352352).

Almost surely, 2^522013420 is an apocalyptic number.

It is an amenable number.

522013420 is an abundant number, since it is smaller than the sum of its proper divisors (574214804).

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

522013420 is a wasteful number, since it uses less digits than its factorization.

522013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26100680 (or 26100678 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 522013420 is about 22847.6130044256. The cubic root of 522013420 is about 805.1816880900.

Adding to 522013420 its reverse (24310225), we get a palindrome (546323645).

The spelling of 522013420 in words is "five hundred twenty-two million, thirteen thousand, four hundred twenty".