22034251181 has 2 divisors, whose sum is σ = 22034251182. Its totient is φ = 22034251180.

The previous prime is 22034251177. The next prime is 22034251237. The reversal of 22034251181 is 18115243022.

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., 18222300100 + 3811951081 = 134990^2 + 61741^2 .

It is a cyclic number.

It is not a de Polignac number, because 22034251181 - 2² = 22034251177 is a prime.

It is a super-2 number, since 2×22034251181² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22034251121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11017125590 + 11017125591.

It is an arithmetic number, because the mean of its divisors is an integer number (11017125591).

Almost surely, 2^22034251181 is an apocalyptic number.

It is an amenable number.

22034251181 is a deficient number, since it is larger than the sum of its proper divisors (1).

22034251181 is an equidigital number, since it uses as much as digits as its factorization.

22034251181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 22034251181 in words is "twenty-two billion, thirty-four million, two hundred fifty-one thousand, one hundred eighty-one".