22543522033 has 2 divisors, whose sum is σ = 22543522034. Its totient is φ = 22543522032.

The previous prime is 22543521991. The next prime is 22543522039. The reversal of 22543522033 is 33022534522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20904243889 + 1639278144 = 144583^2 + 40488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22543522033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22543521986 and 22543522004.

It is not a weakly prime, because it can be changed into another prime (22543522039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11271761016 + 11271761017.

It is an arithmetic number, because the mean of its divisors is an integer number (11271761017).

Almost surely, 2^22543522033 is an apocalyptic number.

It is an amenable number.

22543522033 is a deficient number, since it is larger than the sum of its proper divisors (1).

22543522033 is an equidigital number, since it uses as much as digits as its factorization.

22543522033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 31.

The spelling of 22543522033 in words is "twenty-two billion, five hundred forty-three million, five hundred twenty-two thousand, thirty-three".