22521486433 has 2 divisors, whose sum is σ = 22521486434. Its totient is φ = 22521486432.

The previous prime is 22521486373. The next prime is 22521486437. The reversal of 22521486433 is 33468412522.

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., 22335900304 + 185586129 = 149452^2 + 13623^2 .

It is a cyclic number.

It is not a de Polignac number, because 22521486433 - 2¹³ = 22521478241 is a prime.

It is not a weakly prime, because it can be changed into another prime (22521486437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11260743216 + 11260743217.

It is an arithmetic number, because the mean of its divisors is an integer number (11260743217).

Almost surely, 2^22521486433 is an apocalyptic number.

It is an amenable number.

22521486433 is a deficient number, since it is larger than the sum of its proper divisors (1).

22521486433 is an equidigital number, since it uses as much as digits as its factorization.

22521486433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 40.

Adding to 22521486433 its reverse (33468412522), we get a palindrome (55989898955).

The spelling of 22521486433 in words is "twenty-two billion, five hundred twenty-one million, four hundred eighty-six thousand, four hundred thirty-three".