9820223 has 8 divisors (see below), whose sum is σ = 11381760. Its totient is φ = 8298360.

The previous prime is 9820219. The next prime is 9820229. The reversal of 9820223 is 3220289.

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

It is not a de Polignac number, because 9820223 - 2² = 9820219 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 9820192 and 9820201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9820229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9383 + ... + 10376.

It is an arithmetic number, because the mean of its divisors is an integer number (1422720).

Almost surely, 2^9820223 is an apocalyptic number.

9820223 is a deficient number, since it is larger than the sum of its proper divisors (1561537).

9820223 is a wasteful number, since it uses less digits than its factorization.

9820223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19837.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 9820223 is about 3133.7235040763. The cubic root of 9820223 is about 214.1445946828.

The spelling of 9820223 in words is "nine million, eight hundred twenty thousand, two hundred twenty-three".