2022022000181 has 8 divisors (see below), whose sum is σ = 2024936389080. Its totient is φ = 2019109199872.

The previous prime is 2022022000169. The next prime is 2022022000189. The reversal of 2022022000181 is 1810002202202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 743406084100 + 1278615916081 = 862210^2 + 1130759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022022000181 is a prime.

It is a super-2 number, since 2×2022022000181² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022022000189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162231 + ... + 2952843.

It is an arithmetic number, because the mean of its divisors is an integer number (253117048635).

Almost surely, 2^{2022022000181} is an apocalyptic number.

It is an amenable number.

2022022000181 is a deficient number, since it is larger than the sum of its proper divisors (2914388899).

2022022000181 is an equidigital number, since it uses as much as digits as its factorization.

2022022000181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794295.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2022022000181 its reverse (1810002202202), we get a palindrome (3832024202383).

The spelling of 2022022000181 in words is "two trillion, twenty-two billion, twenty-two million, one hundred eighty-one", and thus it is an aban number.