520003422 has 16 divisors (see below), whose sum is σ = 1155563280. Its totient is φ = 173334456.

The previous prime is 520003417. The next prime is 520003433. The reversal of 520003422 is 224300025.

It is a super-3 number, since 3×520003422³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 520003395 and 520003404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814793 + ... + 4814900.

It is an arithmetic number, because the mean of its divisors is an integer number (72222705).

Almost surely, 2^520003422 is an apocalyptic number.

520003422 is an abundant number, since it is smaller than the sum of its proper divisors (635559858).

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

520003422 is a wasteful number, since it uses less digits than its factorization.

520003422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9629704 (or 9629698 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 520003422 is about 22803.5835341729. The cubic root of 520003422 is about 804.1469156785.

Adding to 520003422 its reverse (224300025), we get a palindrome (744303447).

The spelling of 520003422 in words is "five hundred twenty million, three thousand, four hundred twenty-two".