22384740881 has 2 divisors, whose sum is σ = 22384740882. Its totient is φ = 22384740880.

The previous prime is 22384740857. The next prime is 22384740899. The reversal of 22384740881 is 18804748322.

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., 22332612481 + 52128400 = 149441^2 + 7220^2 .

It is a cyclic number.

It is not a de Polignac number, because 22384740881 - 2¹⁸ = 22384478737 is a prime.

It is a super-2 number, since 2×22384740881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22384740281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11192370440 + 11192370441.

It is an arithmetic number, because the mean of its divisors is an integer number (11192370441).

Almost surely, 2^22384740881 is an apocalyptic number.

It is an amenable number.

22384740881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22384740881 is an equidigital number, since it uses as much as digits as its factorization.

22384740881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 22384740881 in words is "twenty-two billion, three hundred eighty-four million, seven hundred forty thousand, eight hundred eighty-one".