604422 has 80 divisors (see below), whose sum is σ = 1707552. Its totient is φ = 155520.

The previous prime is 604411. The next prime is 604427. The reversal of 604422 is 224406.

Added to its reverse (224406) it gives a triangular number (828828 = T₁₂₈₇).

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 = 604395 and 604404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604427) by changing a digit.

604422 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 39 ways as a sum of consecutive naturals, for example, 14722 + ... + 14762.

2⁶⁰⁴⁴²² is an apocalyptic number.

604422 is the 492-nd heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 604422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853776).

604422 is an abundant number, since it is smaller than the sum of its proper divisors (1103130).

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

604422 is a wasteful number, since it uses less digits than its factorization.

604422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 604422 is about 777.4458180478. The cubic root of 604422 is about 84.5499628662.

Adding to 604422 its reverse (224406), we get a palindrome (828828).

The spelling of 604422 in words is "six hundred four thousand, four hundred twenty-two".