9644224 has 28 divisors (see below), whose sum is σ = 19759168. Its totient is φ = 4665600.

The previous prime is 9644207. The next prime is 9644227. The reversal of 9644224 is 4224469.

It is a super-2 number, since 2×9644224² = 186022113124352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9644227) 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, 447 + ... + 4414.

Almost surely, 2^9644224 is an apocalyptic number.

It is an amenable number.

9644224 is an abundant number, since it is smaller than the sum of its proper divisors (10114944).

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

9644224 is a wasteful number, since it uses less digits than its factorization.

9644224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904 (or 4894 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 9644224 is about 3105.5150941510. The cubic root of 9644224 is about 212.8575682340.

The spelling of 9644224 in words is "nine million, six hundred forty-four thousand, two hundred twenty-four".