9789222 has 8 divisors (see below), whose sum is σ = 19578456. Its totient is φ = 3263072.

The previous prime is 9789203. The next prime is 9789257. The reversal of 9789222 is 2229879.

It is a sphenic number, since it is the product of 3 distinct primes.

9789222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 815763 + ... + 815774.

It is an arithmetic number, because the mean of its divisors is an integer number (2447307).

Almost surely, 2^9789222 is an apocalyptic number.

9789222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9789222 is a wasteful number, since it uses less digits than its factorization.

9789222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631542.

The product of its digits is 36288, while the sum is 39.

The square root of 9789222 is about 3128.7732420231. The cubic root of 9789222 is about 213.9190161444.

It can be divided in two parts, 9789 and 222, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 9789222 in words is "nine million, seven hundred eighty-nine thousand, two hundred twenty-two".