22010001077 has 2 divisors, whose sum is σ = 22010001078. Its totient is φ = 22010001076.

The previous prime is 22010001073. The next prime is 22010001107. The reversal of 22010001077 is 77010001022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13565493841 + 8444507236 = 116471^2 + 91894^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010001077 - 2² = 22010001073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22010001073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005000538 + 11005000539.

It is an arithmetic number, because the mean of its divisors is an integer number (11005000539).

Almost surely, 2^22010001077 is an apocalyptic number.

It is an amenable number.

22010001077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010001077 is an equidigital number, since it uses as much as digits as its factorization.

22010001077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 20.

Adding to 22010001077 its reverse (77010001022), we get a palindrome (99020002099).

Subtracting 22010001077 from its reverse (77010001022), we obtain a palindrome (54999999945).

The spelling of 22010001077 in words is "twenty-two billion, ten million, one thousand, seventy-seven".