22331002200181 has 2 divisors, whose sum is σ = 22331002200182. Its totient is φ = 22331002200180.

The previous prime is 22331002200061. The next prime is 22331002200191. The reversal of 22331002200181 is 18100220013322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13593858390225 + 8737143809956 = 3686985^2 + 2955866^2 .

It is a cyclic number.

It is not a de Polignac number, because 22331002200181 - 2¹⁹ = 22331001675893 is a prime.

It is a super-2 number, since 2×22331002200181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22331002200191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165501100090 + 11165501100091.

It is an arithmetic number, because the mean of its divisors is an integer number (11165501100091).

Almost surely, 2^{22331002200181} is an apocalyptic number.

It is an amenable number.

22331002200181 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331002200181 is an equidigital number, since it uses as much as digits as its factorization.

22331002200181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 22331002200181 in words is "twenty-two trillion, three hundred thirty-one billion, two million, two hundred thousand, one hundred eighty-one".