9661622 has 8 divisors (see below), whose sum is σ = 14509200. Its totient is φ = 4825224.

The previous prime is 9661583. The next prime is 9661637. The reversal of 9661622 is 2261669.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (1813650).

Almost surely, 2^9661622 is an apocalyptic number.

9661622 is a deficient number, since it is larger than the sum of its proper divisors (4847578).

9661622 is a wasteful number, since it uses less digits than its factorization.

9661622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590.

The product of its digits is 7776, while the sum is 32.

The square root of 9661622 is about 3108.3149776044. The cubic root of 9661622 is about 212.9854883690.

The spelling of 9661622 in words is "nine million, six hundred sixty-one thousand, six hundred twenty-two".