922320 has 160 divisors (see below), whose sum is σ = 3690240. Its totient is φ = 207360.

The previous prime is 922309. The next prime is 922321. The reversal of 922320 is 23229.

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 = 922293 and 922302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922321) by changing a digit.

922320 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 31 ways as a sum of consecutive naturals, for example, 15090 + ... + 15150.

It is an arithmetic number, because the mean of its divisors is an integer number (23064).

2⁹²²³²⁰ is an apocalyptic number.

922320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 922320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845120).

922320 is an abundant number, since it is smaller than the sum of its proper divisors (2767920).

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

922320 is a wasteful number, since it uses less digits than its factorization.

922320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 922320 is about 960.3749267864. The cubic root of 922320 is about 97.3405678407.

Adding to 922320 its reverse (23229), we get a palindrome (945549).

The spelling of 922320 in words is "nine hundred twenty-two thousand, three hundred twenty".