9944219 has 4 divisors (see below), whose sum is σ = 9991560. Its totient is φ = 9896880.

The previous prime is 9944197. The next prime is 9944251. The reversal of 9944219 is 9124499.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9944219 - 2¹² = 9940123 is a prime.

It is a super-2 number, since 2×9944219² = 197774983039922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9944719) 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, 23354 + ... + 23775.

It is an arithmetic number, because the mean of its divisors is an integer number (2497890).

Almost surely, 2^9944219 is an apocalyptic number.

9944219 is a deficient number, since it is larger than the sum of its proper divisors (47341).

9944219 is a wasteful number, since it uses less digits than its factorization.

9944219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47340.

The product of its digits is 23328, while the sum is 38.

The square root of 9944219 is about 3153.4455758741. The cubic root of 9944219 is about 215.0421334408.

The spelling of 9944219 in words is "nine million, nine hundred forty-four thousand, two hundred nineteen".