9644422 has 4 divisors (see below), whose sum is σ = 14466636. Its totient is φ = 4822210.

The previous prime is 9644387. The next prime is 9644461. The reversal of 9644422 is 2244469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2244469 = 79 ⋅28411.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2411104 + ... + 2411107.

It is an arithmetic number, because the mean of its divisors is an integer number (3616659).

Almost surely, 2^9644422 is an apocalyptic number.

9644422 is a deficient number, since it is larger than the sum of its proper divisors (4822214).

9644422 is a wasteful number, since it uses less digits than its factorization.

9644422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822213.

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

The square root of 9644422 is about 3105.5469727570. The cubic root of 9644422 is about 212.8590249093.

The spelling of 9644422 in words is "nine million, six hundred forty-four thousand, four hundred twenty-two".