22324142342981 has 2 divisors, whose sum is σ = 22324142342982. Its totient is φ = 22324142342980.

The previous prime is 22324142342959. The next prime is 22324142343029. The reversal of 22324142342981 is 18924324142322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15925215590881 + 6398926752100 = 3990641^2 + 2529610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22324142342981 is a prime.

It is a super-3 number, since 3×22324142342981³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22324142312981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11162071171490 + 11162071171491.

It is an arithmetic number, because the mean of its divisors is an integer number (11162071171491).

Almost surely, 2^{22324142342981} is an apocalyptic number.

It is an amenable number.

22324142342981 is a deficient number, since it is larger than the sum of its proper divisors (1).

22324142342981 is an equidigital number, since it uses as much as digits as its factorization.

22324142342981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 47.

The spelling of 22324142342981 in words is "twenty-two trillion, three hundred twenty-four billion, one hundred forty-two million, three hundred forty-two thousand, nine hundred eighty-one".