9222020 has 12 divisors (see below), whose sum is σ = 19366284. Its totient is φ = 3688800.

The previous prime is 9222013. The next prime is 9222061. The reversal of 9222020 is 202229.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6512704 + 2709316 = 2552^2 + 1646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9222020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230531 + ... + 230570.

It is an arithmetic number, because the mean of its divisors is an integer number (1613857).

Almost surely, 2^9222020 is an apocalyptic number.

It is an amenable number.

9222020 is an abundant number, since it is smaller than the sum of its proper divisors (10144264).

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

9222020 is a wasteful number, since it uses less digits than its factorization.

9222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461110 (or 461108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 9222020 is about 3036.7778977067. Note that the first 3 decimals coincide. The cubic root of 9222020 is about 209.7049522463.

Adding to 9222020 its reverse (202229), we get a palindrome (9424249).

The spelling of 9222020 in words is "nine million, two hundred twenty-two thousand, twenty".