22066007077 has 2 divisors, whose sum is σ = 22066007078. Its totient is φ = 22066007076.

The previous prime is 22066007039. The next prime is 22066007083. The reversal of 22066007077 is 77070066022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14323063041 + 7742944036 = 119679^2 + 87994^2 .

It is a cyclic number.

It is not a de Polignac number, because 22066007077 - 2²⁷ = 21931789349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22066007027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033003538 + 11033003539.

It is an arithmetic number, because the mean of its divisors is an integer number (11033003539).

Almost surely, 2^22066007077 is an apocalyptic number.

It is an amenable number.

22066007077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066007077 is an equidigital number, since it uses as much as digits as its factorization.

22066007077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 22066007077 in words is "twenty-two billion, sixty-six million, seven thousand, seventy-seven".