10221434233 has 4 divisors (see below), whose sum is σ = 10296043380. Its totient is φ = 10146825088.

The previous prime is 10221434203. The next prime is 10221434299. The reversal of 10221434233 is 33243412201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33243412201 = 149 ⋅223110149.

It can be written as a sum of positive squares in 2 ways, for example, as 3710880889 + 6510553344 = 60917^2 + 80688^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221434233 - 2²¹ = 10219337081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221434198 and 10221434207.

It is not an unprimeable number, because it can be changed into a prime (10221434203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37304368 + ... + 37304641.

It is an arithmetic number, because the mean of its divisors is an integer number (2574010845).

Almost surely, 2^10221434233 is an apocalyptic number.

It is an amenable number.

10221434233 is a deficient number, since it is larger than the sum of its proper divisors (74609147).

10221434233 is an equidigital number, since it uses as much as digits as its factorization.

10221434233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74609146.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 10221434233 its reverse (33243412201), we get a palindrome (43464846434).

The spelling of 10221434233 in words is "ten billion, two hundred twenty-one million, four hundred thirty-four thousand, two hundred thirty-three".