2041422161 has 2 divisors, whose sum is σ = 2041422162. Its totient is φ = 2041422160.

The previous prime is 2041422121. The next prime is 2041422191. The reversal of 2041422161 is 1612241402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1232361025 + 809061136 = 35105^2 + 28444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2041422161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2041422121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020711080 + 1020711081.

It is an arithmetic number, because the mean of its divisors is an integer number (1020711081).

Almost surely, 2^2041422161 is an apocalyptic number.

It is an amenable number.

2041422161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041422161 is an equidigital number, since it uses as much as digits as its factorization.

2041422161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2041422161 is about 45182.1000065291. The cubic root of 2041422161 is about 1268.5597911173.

Adding to 2041422161 its reverse (1612241402), we get a palindrome (3653663563).

The spelling of 2041422161 in words is "two billion, forty-one million, four hundred twenty-two thousand, one hundred sixty-one".