9942222 has 8 divisors (see below), whose sum is σ = 19884456. Its totient is φ = 3314072.

The previous prime is 9942211. The next prime is 9942223. The reversal of 9942222 is 2222499.

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

9942222 is an admirable number.

9942222 is a modest number, since divided by 2222 gives 994 as remainder.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9942222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828513 + ... + 828524.

It is an arithmetic number, because the mean of its divisors is an integer number (2485557).

Almost surely, 2^9942222 is an apocalyptic number.

9942222 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.

9942222 is a wasteful number, since it uses less digits than its factorization.

9942222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657042.

The product of its digits is 5184, while the sum is 30.

The square root of 9942222 is about 3153.1289221978. The cubic root of 9942222 is about 215.0277375427.

The spelling of 9942222 in words is "nine million, nine hundred forty-two thousand, two hundred twenty-two".