9221944 has 16 divisors (see below), whose sum is σ = 17529120. Its totient is φ = 4547520.

The previous prime is 9221941. The next prime is 9221951. The reversal of 9221944 is 4491229.

It is a happy number.

9221944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9221944² = 170088502278272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221941) 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, 7312 + ... + 8479.

It is an arithmetic number, because the mean of its divisors is an integer number (1095570).

Almost surely, 2^9221944 is an apocalyptic number.

It is an amenable number.

9221944 is a deficient number, since it is larger than the sum of its proper divisors (8307176).

9221944 is a wasteful number, since it uses less digits than its factorization.

9221944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15870 (or 15866 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 9221944 is about 3036.7653844181. The cubic root of 9221944 is about 209.7043761751.

The spelling of 9221944 in words is "nine million, two hundred twenty-one thousand, nine hundred forty-four".