22125244481 has 2 divisors, whose sum is σ = 22125244482. Its totient is φ = 22125244480.

The previous prime is 22125244459. The next prime is 22125244483. The reversal of 22125244481 is 18444252122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21567859600 + 557384881 = 146860^2 + 23609^2 .

It is a cyclic number.

It is not a de Polignac number, because 22125244481 - 2¹⁰ = 22125243457 is a prime.

It is a super-2 number, since 2×22125244481² (a number of 21 digits) contains 22 as substring.

Together with 22125244483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22125244483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11062622240 + 11062622241.

It is an arithmetic number, because the mean of its divisors is an integer number (11062622241).

Almost surely, 2^22125244481 is an apocalyptic number.

It is an amenable number.

22125244481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22125244481 is an equidigital number, since it uses as much as digits as its factorization.

22125244481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40960, while the sum is 35.

The spelling of 22125244481 in words is "twenty-two billion, one hundred twenty-five million, two hundred forty-four thousand, four hundred eighty-one".