10198220 has 12 divisors (see below), whose sum is σ = 21416304. Its totient is φ = 4079280.

The previous prime is 10198213. The next prime is 10198247. The reversal of 10198220 is 2289101.

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, 254936 + ... + 254975.

It is an arithmetic number, because the mean of its divisors is an integer number (1784692).

Almost surely, 2^10198220 is an apocalyptic number.

10198220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10198220 is an abundant number, since it is smaller than the sum of its proper divisors (11218084).

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

10198220 is a wasteful number, since it uses less digits than its factorization.

10198220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509920 (or 509918 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 10198220 is about 3193.4652025660. The cubic root of 10198220 is about 216.8576724606.

The spelling of 10198220 in words is "ten million, one hundred ninety-eight thousand, two hundred twenty".