22413344501881 has 2 divisors, whose sum is σ = 22413344501882. Its totient is φ = 22413344501880.

The previous prime is 22413344501879. The next prime is 22413344502047. The reversal of 22413344501881 is 18810544331422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14001366585600 + 8411977916281 = 3741840^2 + 2900341^2 .

It is a cyclic number.

It is not a de Polignac number, because 22413344501881 - 2¹ = 22413344501879 is a prime.

It is a super-2 number, since 2×22413344501881² (a number of 28 digits) contains 22 as substring.

Together with 22413344501879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22413344502881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206672250940 + 11206672250941.

It is an arithmetic number, because the mean of its divisors is an integer number (11206672250941).

Almost surely, 2^{22413344501881} is an apocalyptic number.

It is an amenable number.

22413344501881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22413344501881 is an equidigital number, since it uses as much as digits as its factorization.

22413344501881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 22413344501881 in words is "twenty-two trillion, four hundred thirteen billion, three hundred forty-four million, five hundred one thousand, eight hundred eighty-one".