22021233133 has 2 divisors, whose sum is σ = 22021233134. Its totient is φ = 22021233132.

The previous prime is 22021233109. The next prime is 22021233151. The reversal of 22021233133 is 33133212022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11202528964 + 10818704169 = 105842^2 + 104013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021233133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021233193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010616566 + 11010616567.

It is an arithmetic number, because the mean of its divisors is an integer number (11010616567).

Almost surely, 2^22021233133 is an apocalyptic number.

It is an amenable number.

22021233133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021233133 is an equidigital number, since it uses as much as digits as its factorization.

22021233133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22021233133 its reverse (33133212022), we get a palindrome (55154445155).

The spelling of 22021233133 in words is "twenty-two billion, twenty-one million, two hundred thirty-three thousand, one hundred thirty-three".