9222222 has 8 divisors (see below), whose sum is σ = 18444456. Its totient is φ = 3074072.

The previous prime is 9222217. The next prime is 9222229. The reversal of 9222222 is 2222229.

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

9222222 is an admirable number.

9222222 is a modest number, since divided by 2222 gives 922 as remainder.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9222229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768513 + ... + 768524.

It is an arithmetic number, because the mean of its divisors is an integer number (2305557).

Almost surely, 2^9222222 is an apocalyptic number.

9222222 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.

9222222 is a wasteful number, since it uses less digits than its factorization.

9222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537042.

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

The square root of 9222222 is about 3036.8111564600. The cubic root of 9222222 is about 209.7064833675.

The spelling of 9222222 in words is "nine million, two hundred twenty-two thousand, two hundred twenty-two".