22454510077 has 2 divisors, whose sum is σ = 22454510078. Its totient is φ = 22454510076.

The previous prime is 22454510063. The next prime is 22454510119. The reversal of 22454510077 is 77001545422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22390333956 + 64176121 = 149634^2 + 8011^2 .

It is a cyclic number.

It is not a de Polignac number, because 22454510077 - 2²³ = 22446121469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22454513077) 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, 11227255038 + 11227255039.

It is an arithmetic number, because the mean of its divisors is an integer number (11227255039).

Almost surely, 2^22454510077 is an apocalyptic number.

It is an amenable number.

22454510077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22454510077 is an equidigital number, since it uses as much as digits as its factorization.

22454510077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 22454510077 in words is "twenty-two billion, four hundred fifty-four million, five hundred ten thousand, seventy-seven".