10221433 has 4 divisors (see below), whose sum is σ = 10296180. Its totient is φ = 10146688.

The previous prime is 10221397. The next prime is 10221443. The reversal of 10221433 is 33412201.

It is a happy number.

10221433 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, and also an emirpimes, since its reverse is a distinct semiprime: 33412201 = 61 ⋅547741.

It can be written as a sum of positive squares in 2 ways, for example, as 8363664 + 1857769 = 2892^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221433 - 2⁹ = 10220921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37168 + ... + 37441.

It is an arithmetic number, because the mean of its divisors is an integer number (2574045).

Almost surely, 2^10221433 is an apocalyptic number.

It is an amenable number.

10221433 is a deficient number, since it is larger than the sum of its proper divisors (74747).

10221433 is an equidigital number, since it uses as much as digits as its factorization.

10221433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74746.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 10221433 is about 3197.0975900025. The cubic root of 10221433 is about 217.0220835900.

Adding to 10221433 its reverse (33412201), we get a palindrome (43633634).

The spelling of 10221433 in words is "ten million, two hundred twenty-one thousand, four hundred thirty-three".