9805222 has 32 divisors (see below), whose sum is σ = 18035712. Its totient is φ = 3906144.

The previous prime is 9805217. The next prime is 9805223. The reversal of 9805222 is 2225089.

It is a super-2 number, since 2×9805222² = 192284756938568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9⁴ + 8 + 0 + 5¹⁰ + 2² + 2⁸ + 2¹⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9805223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11503 + ... + 12325.

It is an arithmetic number, because the mean of its divisors is an integer number (563616).

Almost surely, 2^9805222 is an apocalyptic number.

9805222 is a deficient number, since it is larger than the sum of its proper divisors (8230490).

9805222 is a wasteful number, since it uses less digits than its factorization.

9805222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 9805222 is about 3131.3291107771. The cubic root of 9805222 is about 214.0354993952.

The spelling of 9805222 in words is "nine million, eight hundred five thousand, two hundred twenty-two".