2225268779 has 2 divisors, whose sum is σ = 2225268780. Its totient is φ = 2225268778.

The previous prime is 2225268769. The next prime is 2225268781. The reversal of 2225268779 is 9778625222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2225268779 - 2¹⁶ = 2225203243 is a prime.

It is a super-2 number, since 2×2225268779² = 9903642277584301682, which contains 22 as substring.

Together with 2225268781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2225268719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112634389 + 1112634390.

It is an arithmetic number, because the mean of its divisors is an integer number (1112634390).

Almost surely, 2^2225268779 is an apocalyptic number.

2225268779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225268779 is an equidigital number, since it uses as much as digits as its factorization.

2225268779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 2225268779 is about 47172.7546259491. The cubic root of 2225268779 is about 1305.5519514052.

The spelling of 2225268779 in words is "two billion, two hundred twenty-five million, two hundred sixty-eight thousand, seven hundred seventy-nine".