22404804977 has 2 divisors, whose sum is σ = 22404804978. Its totient is φ = 22404804976.

The previous prime is 22404804971. The next prime is 22404804979. The reversal of 22404804977 is 77940840422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14199343921 + 8205461056 = 119161^2 + 90584^2 .

It is a cyclic number.

It is not a de Polignac number, because 22404804977 - 2¹² = 22404800881 is a prime.

Together with 22404804979, 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 (22404804971) 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, 11202402488 + 11202402489.

It is an arithmetic number, because the mean of its divisors is an integer number (11202402489).

Almost surely, 2^22404804977 is an apocalyptic number.

It is an amenable number.

22404804977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22404804977 is an equidigital number, since it uses as much as digits as its factorization.

22404804977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 22404804977 in words is "twenty-two billion, four hundred four million, eight hundred four thousand, nine hundred seventy-seven".