2052226181 has 2 divisors, whose sum is σ = 2052226182. Its totient is φ = 2052226180.

The previous prime is 2052226159. The next prime is 2052226207. The reversal of 2052226181 is 1816222502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298449156 + 753777025 = 36034^2 + 27455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052226181 - 2¹⁸ = 2051964037 is a prime.

It is a super-2 number, since 2×2052226181² = 8423264595963689522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2052222181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026113090 + 1026113091.

It is an arithmetic number, because the mean of its divisors is an integer number (1026113091).

Almost surely, 2^2052226181 is an apocalyptic number.

It is an amenable number.

2052226181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052226181 is an equidigital number, since it uses as much as digits as its factorization.

2052226181 is an evil number, because the sum of its binary digits is even.

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

The square root of 2052226181 is about 45301.5030766088. The cubic root of 2052226181 is about 1270.7937627821.

Adding to 2052226181 its reverse (1816222502), we get a palindrome (3868448683).

The spelling of 2052226181 in words is "two billion, fifty-two million, two hundred twenty-six thousand, one hundred eighty-one".