22283282521 has 2 divisors, whose sum is σ = 22283282522. Its totient is φ = 22283282520.

The previous prime is 22283282467. The next prime is 22283282531. The reversal of 22283282521 is 12528238222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22263922521 + 19360000 = 149211^2 + 4400^2 .

It is a cyclic number.

It is not a de Polignac number, because 22283282521 - 2⁷ = 22283282393 is a prime.

It is not a weakly prime, because it can be changed into another prime (22283282531) 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, 11141641260 + 11141641261.

It is an arithmetic number, because the mean of its divisors is an integer number (11141641261).

Almost surely, 2^22283282521 is an apocalyptic number.

It is an amenable number.

22283282521 is a deficient number, since it is larger than the sum of its proper divisors (1).

22283282521 is an equidigital number, since it uses as much as digits as its factorization.

22283282521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 37.

The spelling of 22283282521 in words is "twenty-two billion, two hundred eighty-three million, two hundred eighty-two thousand, five hundred twenty-one".