22130322077 has 2 divisors, whose sum is σ = 22130322078. Its totient is φ = 22130322076.

The previous prime is 22130322041. The next prime is 22130322107. The reversal of 22130322077 is 77022303122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20024797081 + 2105524996 = 141509^2 + 45886^2 .

It is a cyclic number.

It is not a de Polignac number, because 22130322077 - 2¹² = 22130317981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22130322017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065161038 + 11065161039.

It is an arithmetic number, because the mean of its divisors is an integer number (11065161039).

Almost surely, 2^22130322077 is an apocalyptic number.

It is an amenable number.

22130322077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22130322077 is an equidigital number, since it uses as much as digits as its factorization.

22130322077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

Adding to 22130322077 its reverse (77022303122), we get a palindrome (99152625199).

The spelling of 22130322077 in words is "twenty-two billion, one hundred thirty million, three hundred twenty-two thousand, seventy-seven".