520422 has 16 divisors (see below), whose sum is σ = 1189632. Its totient is φ = 148680.

The previous prime is 520411. The next prime is 520423. The reversal of 520422 is 224025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520423) by changing a digit.

520422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6154 + ... + 6237.

It is an arithmetic number, because the mean of its divisors is an integer number (74352).

2⁵²⁰⁴²² is an apocalyptic number.

520422 is an abundant number, since it is smaller than the sum of its proper divisors (669210).

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

520422 is a wasteful number, since it uses less digits than its factorization.

520422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12403.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 520422 is about 721.4028001055. The cubic root of 520422 is about 80.4362624472.

Adding to 520422 its reverse (224025), we get a palindrome (744447).

The spelling of 520422 in words is "five hundred twenty thousand, four hundred twenty-two".