2225541217 has 2 divisors, whose sum is σ = 2225541218. Its totient is φ = 2225541216.

The previous prime is 2225541151. The next prime is 2225541233. The reversal of 2225541217 is 7121455222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1787936656 + 437604561 = 42284^2 + 20919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2225541217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2225541317) 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, 1112770608 + 1112770609.

It is an arithmetic number, because the mean of its divisors is an integer number (1112770609).

Almost surely, 2^2225541217 is an apocalyptic number.

It is an amenable number.

2225541217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225541217 is an equidigital number, since it uses as much as digits as its factorization.

2225541217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 31.

The square root of 2225541217 is about 47175.6422001863. The cubic root of 2225541217 is about 1305.6052284822.

Adding to 2225541217 its reverse (7121455222), we get a palindrome (9346996439).

The spelling of 2225541217 in words is "two billion, two hundred twenty-five million, five hundred forty-one thousand, two hundred seventeen".