22241144641 has 2 divisors, whose sum is σ = 22241144642. Its totient is φ = 22241144640.

The previous prime is 22241144617. The next prime is 22241144671. The reversal of 22241144641 is 14644114222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22177464241 + 63680400 = 148921^2 + 7980^2 .

It is a cyclic number.

It is not a de Polignac number, because 22241144641 - 2²³ = 22232756033 is a prime.

It is not a weakly prime, because it can be changed into another prime (22241144671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120572320 + 11120572321.

It is an arithmetic number, because the mean of its divisors is an integer number (11120572321).

Almost surely, 2^22241144641 is an apocalyptic number.

It is an amenable number.

22241144641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241144641 is an equidigital number, since it uses as much as digits as its factorization.

22241144641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 31.

Adding to 22241144641 its reverse (14644114222), we get a palindrome (36885258863).

The spelling of 22241144641 in words is "twenty-two billion, two hundred forty-one million, one hundred forty-four thousand, six hundred forty-one".