2213116577 has 4 divisors (see below), whose sum is σ = 2529276096. Its totient is φ = 1896957060.

The previous prime is 2213116553. The next prime is 2213116579. The reversal of 2213116577 is 7756113122.

2213116577 is nontrivially palindromic in base 12.

2213116577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2213116577 - 2²⁶ = 2146007713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213116579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158079749 + ... + 158079762.

It is an arithmetic number, because the mean of its divisors is an integer number (632319024).

Almost surely, 2^2213116577 is an apocalyptic number.

It is an amenable number.

2213116577 is a deficient number, since it is larger than the sum of its proper divisors (316159519).

2213116577 is an equidigital number, since it uses as much as digits as its factorization.

2213116577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316159518.

The product of its digits is 17640, while the sum is 35.

The square root of 2213116577 is about 47043.7729885688. The cubic root of 2213116577 is about 1303.1710705970.

Adding to 2213116577 its reverse (7756113122), we get a palindrome (9969229699).

The spelling of 2213116577 in words is "two billion, two hundred thirteen million, one hundred sixteen thousand, five hundred seventy-seven".