2221411117 has 2 divisors, whose sum is σ = 2221411118. Its totient is φ = 2221411116.

The previous prime is 2221411109. The next prime is 2221411133. The reversal of 2221411117 is 7111141222.

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., 1367076676 + 854334441 = 36974^2 + 29229^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221411117 - 2³ = 2221411109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221411177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110705558 + 1110705559.

It is an arithmetic number, because the mean of its divisors is an integer number (1110705559).

Almost surely, 2^2221411117 is an apocalyptic number.

It is an amenable number.

2221411117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221411117 is an equidigital number, since it uses as much as digits as its factorization.

2221411117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 22.

The square root of 2221411117 is about 47131.8482238921. The cubic root of 2221411117 is about 1304.7970925896.

Adding to 2221411117 its reverse (7111141222), we get a palindrome (9332552339).

The spelling of 2221411117 in words is "two billion, two hundred twenty-one million, four hundred eleven thousand, one hundred seventeen".