2212165547 has 2 divisors, whose sum is σ = 2212165548. Its totient is φ = 2212165546.

The previous prime is 2212165523. The next prime is 2212165561. The reversal of 2212165547 is 7455612122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212165547 - 2²⁴ = 2195388331 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212135547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106082773 + 1106082774.

It is an arithmetic number, because the mean of its divisors is an integer number (1106082774).

Almost surely, 2^2212165547 is an apocalyptic number.

2212165547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212165547 is an equidigital number, since it uses as much as digits as its factorization.

2212165547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 2212165547 is about 47033.6639759226. The cubic root of 2212165547 is about 1302.9843757544.

Adding to 2212165547 its reverse (7455612122), we get a palindrome (9667777669).

The spelling of 2212165547 in words is "two billion, two hundred twelve million, one hundred sixty-five thousand, five hundred forty-seven".