2022022181 has 2 divisors, whose sum is σ = 2022022182. Its totient is φ = 2022022180.

The previous prime is 2022022157. The next prime is 2022022201. The reversal of 2022022181 is 1812202202.

It is a happy number.

It is an a-pointer prime, because the next prime (2022022201) can be obtained adding 2022022181 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1371517156 + 650505025 = 37034^2 + 25505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022022181 - 2⁶ = 2022022117 is a prime.

It is a super-2 number, since 2×2022022181² = 8177147400911993522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022024181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011011090 + 1011011091.

It is an arithmetic number, because the mean of its divisors is an integer number (1011011091).

Almost surely, 2^2022022181 is an apocalyptic number.

It is an amenable number.

2022022181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022022181 is an equidigital number, since it uses as much as digits as its factorization.

2022022181 is an evil number, because the sum of its binary digits is even.

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

The square root of 2022022181 is about 44966.9009494762. The cubic root of 2022022181 is about 1264.5285480900.

Adding to 2022022181 its reverse (1812202202), we get a palindrome (3834224383).

The spelling of 2022022181 in words is "two billion, twenty-two million, twenty-two thousand, one hundred eighty-one".