2127222269 has 2 divisors, whose sum is σ = 2127222270. Its totient is φ = 2127222268.

The previous prime is 2127222211. The next prime is 2127222271. The reversal of 2127222269 is 9622227212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1901832100 + 225390169 = 43610^2 + 15013^2 .

It is a cyclic number.

It is not a de Polignac number, because 2127222269 - 2²⁴ = 2110445053 is a prime.

It is a super-2 number, since 2×2127222269² = 9050149163459016722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2127222271, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2127222299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063611134 + 1063611135.

It is an arithmetic number, because the mean of its divisors is an integer number (1063611135).

Almost surely, 2^2127222269 is an apocalyptic number.

It is an amenable number.

2127222269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127222269 is an equidigital number, since it uses as much as digits as its factorization.

2127222269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 2127222269 is about 46121.8198795321. The cubic root of 2127222269 is about 1286.0888022819.

The spelling of 2127222269 in words is "two billion, one hundred twenty-seven million, two hundred twenty-two thousand, two hundred sixty-nine".