9819222 has 32 divisors (see below), whose sum is σ = 22970112. Its totient is φ = 2739744.

The previous prime is 9819221. The next prime is 9819223. The reversal of 9819222 is 2229189.

It is a happy number.

9819222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9819221) and next prime (9819223).

It is a super-3 number, since 3×9819222³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9819221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913 + ... + 4524.

It is an arithmetic number, because the mean of its divisors is an integer number (717816).

Almost surely, 2^9819222 is an apocalyptic number.

9819222 is an abundant number, since it is smaller than the sum of its proper divisors (13150890).

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

9819222 is a wasteful number, since it uses less digits than its factorization.

9819222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492.

The product of its digits is 5184, while the sum is 33.

The square root of 9819222 is about 3133.5637858515. The cubic root of 9819222 is about 214.1373183368.

Subtracting from 9819222 its sum of digits (33), we obtain a palindrome (9819189).

The spelling of 9819222 in words is "nine million, eight hundred nineteen thousand, two hundred twenty-two".