22111442533 has 2 divisors, whose sum is σ = 22111442534. Its totient is φ = 22111442532.

The previous prime is 22111442467. The next prime is 22111442543. The reversal of 22111442533 is 33524411122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19274601889 + 2836840644 = 138833^2 + 53262^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111442533 - 2⁹ = 22111442021 is a prime.

It is a super-2 number, since 2×22111442533² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111442543) 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 as a sum of consecutive naturals, namely, 11055721266 + 11055721267.

It is an arithmetic number, because the mean of its divisors is an integer number (11055721267).

Almost surely, 2^22111442533 is an apocalyptic number.

It is an amenable number.

22111442533 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111442533 is an equidigital number, since it uses as much as digits as its factorization.

22111442533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

Adding to 22111442533 its reverse (33524411122), we get a palindrome (55635853655).

The spelling of 22111442533 in words is "twenty-two billion, one hundred eleven million, four hundred forty-two thousand, five hundred thirty-three".