9866622 has 8 divisors (see below), whose sum is σ = 19733256. Its totient is φ = 3288872.

The previous prime is 9866611. The next prime is 9866627. The reversal of 9866622 is 2266689.

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

9866622 is an admirable number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9866627) 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, 822213 + ... + 822224.

It is an arithmetic number, because the mean of its divisors is an integer number (2466657).

Almost surely, 2^9866622 is an apocalyptic number.

9866622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9866622 is a wasteful number, since it uses less digits than its factorization.

9866622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644442.

The product of its digits is 62208, while the sum is 39.

The square root of 9866622 is about 3141.1179538502. The cubic root of 9866622 is about 214.4813313391.

The spelling of 9866622 in words is "nine million, eight hundred sixty-six thousand, six hundred twenty-two".