21222302220033 has 4 divisors (see below), whose sum is σ = 28296402960048. Its totient is φ = 14148201480020.

The previous prime is 21222302220011. The next prime is 21222302220043. The reversal of 21222302220033 is 33002220322212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21222302220033 - 2⁶ = 21222302219969 is a prime.

It is a super-2 number, since 2×21222302220033² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21222302219985 and 21222302220012.

It is not an unprimeable number, because it can be changed into a prime (21222302220043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3537050370003 + ... + 3537050370008.

It is an arithmetic number, because the mean of its divisors is an integer number (7074100740012).

Almost surely, 2^{21222302220033} is an apocalyptic number.

It is an amenable number.

21222302220033 is a deficient number, since it is larger than the sum of its proper divisors (7074100740015).

21222302220033 is an equidigital number, since it uses as much as digits as its factorization.

21222302220033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074100740014.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21222302220033 its reverse (33002220322212), we get a palindrome (54224522542245).

The spelling of 21222302220033 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred two million, two hundred twenty thousand, thirty-three".