22054625777 has 2 divisors, whose sum is σ = 22054625778. Its totient is φ = 22054625776.

The previous prime is 22054625737. The next prime is 22054625797. The reversal of 22054625777 is 77752645022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14467518961 + 7587106816 = 120281^2 + 87104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22054625777 is a prime.

It is not a weakly prime, because it can be changed into another prime (22054625707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11027312888 + 11027312889.

It is an arithmetic number, because the mean of its divisors is an integer number (11027312889).

Almost surely, 2^22054625777 is an apocalyptic number.

It is an amenable number.

22054625777 is a deficient number, since it is larger than the sum of its proper divisors (1).

22054625777 is an equidigital number, since it uses as much as digits as its factorization.

22054625777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1646400, while the sum is 47.

The spelling of 22054625777 in words is "twenty-two billion, fifty-four million, six hundred twenty-five thousand, seven hundred seventy-seven".