22779766073 has 2 divisors, whose sum is σ = 22779766074. Its totient is φ = 22779766072.

The previous prime is 22779766057. The next prime is 22779766109. The reversal of 22779766073 is 37066797722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15532138384 + 7247627689 = 124628^2 + 85133^2 .

It is a cyclic number.

It is not a de Polignac number, because 22779766073 - 2⁴ = 22779766057 is a prime.

It is not a weakly prime, because it can be changed into another prime (22779766013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11389883036 + 11389883037.

It is an arithmetic number, because the mean of its divisors is an integer number (11389883037).

Almost surely, 2^22779766073 is an apocalyptic number.

It is an amenable number.

22779766073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22779766073 is an equidigital number, since it uses as much as digits as its factorization.

22779766073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9335088, while the sum is 56.

The spelling of 22779766073 in words is "twenty-two billion, seven hundred seventy-nine million, seven hundred sixty-six thousand, seventy-three".