2243510161 has 2 divisors, whose sum is σ = 2243510162. Its totient is φ = 2243510160.

The previous prime is 2243510153. The next prime is 2243510221. The reversal of 2243510161 is 1610153422.

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., 1996391761 + 247118400 = 44681^2 + 15720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243510161 - 2³ = 2243510153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243510761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121755080 + 1121755081.

It is an arithmetic number, because the mean of its divisors is an integer number (1121755081).

Almost surely, 2^2243510161 is an apocalyptic number.

It is an amenable number.

2243510161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243510161 is an equidigital number, since it uses as much as digits as its factorization.

2243510161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2243510161 is about 47365.7065924282. The cubic root of 2243510161 is about 1309.1096179476.

Adding to 2243510161 its reverse (1610153422), we get a palindrome (3853663583).

The spelling of 2243510161 in words is "two billion, two hundred forty-three million, five hundred ten thousand, one hundred sixty-one".