10221193 has 4 divisors (see below), whose sum is σ = 10259460. Its totient is φ = 10182928.

The previous prime is 10221191. The next prime is 10221203. The reversal of 10221193 is 39112201.

10221193 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5438224 + 4782969 = 2332^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221193 - 2¹ = 10221191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221193.

It is not an unprimeable number, because it can be changed into a prime (10221191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18730 + ... + 19267.

It is an arithmetic number, because the mean of its divisors is an integer number (2564865).

Almost surely, 2^10221193 is an apocalyptic number.

It is an amenable number.

10221193 is a deficient number, since it is larger than the sum of its proper divisors (38267).

10221193 is an equidigital number, since it uses as much as digits as its factorization.

10221193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38266.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 10221193 is about 3197.0600557387. The cubic root of 10221193 is about 217.0203850119.

Adding to 10221193 its reverse (39112201), we get a palindrome (49333394).

The spelling of 10221193 in words is "ten million, two hundred twenty-one thousand, one hundred ninety-three".