10221798 has 16 divisors (see below), whose sum is σ = 21332736. Its totient is φ = 3259080.

The previous prime is 10221797. The next prime is 10221803. The reversal of 10221798 is 89712201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221793) 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, 36898 + ... + 37173.

It is an arithmetic number, because the mean of its divisors is an integer number (1333296).

Almost surely, 2^10221798 is an apocalyptic number.

10221798 is an abundant number, since it is smaller than the sum of its proper divisors (11110938).

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

10221798 is a wasteful number, since it uses less digits than its factorization.

10221798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74099.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 10221798 is about 3197.1546725174. The cubic root of 10221798 is about 217.0246667933.

Adding to 10221798 its reverse (89712201), we get a palindrome (99933999).

The spelling of 10221798 in words is "ten million, two hundred twenty-one thousand, seven hundred ninety-eight".