9220992 has 128 divisors (see below), whose sum is σ = 27907200. Its totient is φ = 2672640.

The previous prime is 9220969. The next prime is 9221011. The reversal of 9220992 is 2990229.

9220992 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 156259 + ... + 156317.

It is an arithmetic number, because the mean of its divisors is an integer number (218025).

Almost surely, 2^9220992 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 9220992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13953600).

9220992 is an abundant number, since it is smaller than the sum of its proper divisors (18686208).

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

9220992 is a wasteful number, since it uses less digits than its factorization.

9220992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 9220992 is about 3036.6086346449. The cubic root of 9220992 is about 209.6971598573.

Adding to 9220992 its reverse (2990229), we get a palindrome (12211221).

The spelling of 9220992 in words is "nine million, two hundred twenty thousand, nine hundred ninety-two".