22775905279 has 2 divisors, whose sum is σ = 22775905280. Its totient is φ = 22775905278.

The previous prime is 22775905277. The next prime is 22775905297. The reversal of 22775905279 is 97250957722.

Together with next prime (22775905297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22775905279 - 2¹ = 22775905277 is a prime.

It is a super-2 number, since 2×22775905279² (a number of 22 digits) contains 22 as substring.

Together with 22775905277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22775905277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11387952639 + 11387952640.

It is an arithmetic number, because the mean of its divisors is an integer number (11387952640).

Almost surely, 2^22775905279 is an apocalyptic number.

22775905279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22775905279 is an equidigital number, since it uses as much as digits as its factorization.

22775905279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 22775905279 in words is "twenty-two billion, seven hundred seventy-five million, nine hundred five thousand, two hundred seventy-nine".