922404 has 48 divisors (see below), whose sum is σ = 2508800. Its totient is φ = 258336.

The previous prime is 922391. The next prime is 922423. The reversal of 922404 is 404229.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a plaindrome in base 15.

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 922404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6567 + ... + 6705.

2⁹²²⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 922404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254400).

922404 is an abundant number, since it is smaller than the sum of its proper divisors (1586396).

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

922404 is a wasteful number, since it uses less digits than its factorization.

922404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 922404 is about 960.4186587109. The cubic root of 922404 is about 97.3435228381.

It can be divided in two parts, 922 and 404, that added together give a triangular number (1326 = T₅₁).

The spelling of 922404 in words is "nine hundred twenty-two thousand, four hundred four".