22025624641 has 2 divisors, whose sum is σ = 22025624642. Its totient is φ = 22025624640.

The previous prime is 22025624639. The next prime is 22025624653. The reversal of 22025624641 is 14642652022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20254982400 + 1770642241 = 142320^2 + 42079^2 .

It is a cyclic number.

It is not a de Polignac number, because 22025624641 - 2¹ = 22025624639 is a prime.

Together with 22025624639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22025624597 and 22025624606.

It is not a weakly prime, because it can be changed into another prime (22025694641) 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, 11012812320 + 11012812321.

It is an arithmetic number, because the mean of its divisors is an integer number (11012812321).

Almost surely, 2^22025624641 is an apocalyptic number.

It is an amenable number.

22025624641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22025624641 is an equidigital number, since it uses as much as digits as its factorization.

22025624641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 22025624641 in words is "twenty-two billion, twenty-five million, six hundred twenty-four thousand, six hundred forty-one".