2215423241 has 2 divisors, whose sum is σ = 2215423242. Its totient is φ = 2215423240.

The previous prime is 2215423229. The next prime is 2215423247. The reversal of 2215423241 is 1423245122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1571329600 + 644093641 = 39640^2 + 25379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215423241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2215423241.

It is not a weakly prime, because it can be changed into another prime (2215423247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107711620 + 1107711621.

It is an arithmetic number, because the mean of its divisors is an integer number (1107711621).

Almost surely, 2^2215423241 is an apocalyptic number.

It is an amenable number.

2215423241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215423241 is an equidigital number, since it uses as much as digits as its factorization.

2215423241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 26.

The square root of 2215423241 is about 47068.2827496394. The cubic root of 2215423241 is about 1303.6236652296.

Adding to 2215423241 its reverse (1423245122), we get a palindrome (3638668363).

The spelling of 2215423241 in words is "two billion, two hundred fifteen million, four hundred twenty-three thousand, two hundred forty-one".