522342 has 32 divisors (see below), whose sum is σ = 1231200. Its totient is φ = 163584.

The previous prime is 522337. The next prime is 522371. The reversal of 522342 is 243225.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522342.

It is an unprimeable number.

522342 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 15 ways as a sum of consecutive naturals, for example, 634 + ... + 1202.

It is an arithmetic number, because the mean of its divisors is an integer number (38475).

2⁵²²³⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615600).

522342 is an abundant number, since it is smaller than the sum of its proper divisors (708858).

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

522342 is a wasteful number, since it uses less digits than its factorization.

522342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 591 counting only the distinct ones).

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

The square root of 522342 is about 722.7323155913. The cubic root of 522342 is about 80.5350592501.

Adding to 522342 its reverse (243225), we get a palindrome (765567).

The spelling of 522342 in words is "five hundred twenty-two thousand, three hundred forty-two".