9222900 has 72 divisors (see below), whose sum is σ = 27123264. Its totient is φ = 2419200.

The previous prime is 9222887. The next prime is 9222907. The reversal of 9222900 is 92229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9222907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21084 + ... + 21516.

It is an arithmetic number, because the mean of its divisors is an integer number (376712).

Almost surely, 2^9222900 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 9222900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13561632).

9222900 is an abundant number, since it is smaller than the sum of its proper divisors (17900364).

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

9222900 is a wasteful number, since it uses less digits than its factorization.

9222900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 9222900 is about 3036.9227846621. The cubic root of 9222900 is about 209.7116223138.

Multiplying 9222900 by its reverse (92229), we get a square (850618844100 = 922290²).

9222900 divided by its reverse (92229) gives a square (100 = 10²).

The spelling of 9222900 in words is "nine million, two hundred twenty-two thousand, nine hundred".