22842045181 has 2 divisors, whose sum is σ = 22842045182. Its totient is φ = 22842045180.

The previous prime is 22842045151. The next prime is 22842045197. The reversal of 22842045181 is 18154024822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22755722500 + 86322681 = 150850^2 + 9291^2 .

It is a cyclic number.

It is not a de Polignac number, because 22842045181 - 2³³ = 14252110589 is a prime.

It is a super-2 number, since 2×22842045181² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22842045181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22842045151) 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, 11421022590 + 11421022591.

It is an arithmetic number, because the mean of its divisors is an integer number (11421022591).

Almost surely, 2^22842045181 is an apocalyptic number.

It is an amenable number.

22842045181 is a deficient number, since it is larger than the sum of its proper divisors (1).

22842045181 is an equidigital number, since it uses as much as digits as its factorization.

22842045181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40960, while the sum is 37.

The spelling of 22842045181 in words is "twenty-two billion, eight hundred forty-two million, forty-five thousand, one hundred eighty-one".