22362248561 has 2 divisors, whose sum is σ = 22362248562. Its totient is φ = 22362248560.

The previous prime is 22362248473. The next prime is 22362248563. The reversal of 22362248561 is 16584226322.

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., 18395768161 + 3966480400 = 135631^2 + 62980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22362248561 is a prime.

It is a Sophie Germain prime.

Together with 22362248563, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22362248563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11181124280 + 11181124281.

It is an arithmetic number, because the mean of its divisors is an integer number (11181124281).

Almost surely, 2^22362248561 is an apocalyptic number.

It is an amenable number.

22362248561 is a deficient number, since it is larger than the sum of its proper divisors (1).

22362248561 is an equidigital number, since it uses as much as digits as its factorization.

22362248561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The spelling of 22362248561 in words is "twenty-two billion, three hundred sixty-two million, two hundred forty-eight thousand, five hundred sixty-one".