22016304425977 has 2 divisors, whose sum is σ = 22016304425978. Its totient is φ = 22016304425976.

The previous prime is 22016304425957. The next prime is 22016304425981. The reversal of 22016304425977 is 77952440361022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21319311536656 + 696992889321 = 4617284^2 + 834861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22016304425977 is a prime.

It is not a weakly prime, because it can be changed into another prime (22016304425957) 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, 11008152212988 + 11008152212989.

It is an arithmetic number, because the mean of its divisors is an integer number (11008152212989).

Almost surely, 2^{22016304425977} is an apocalyptic number.

It is an amenable number.

22016304425977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22016304425977 is an equidigital number, since it uses as much as digits as its factorization.

22016304425977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 52.

Adding to 22016304425977 its reverse (77952440361022), we get a palindrome (99968744786999).

The spelling of 22016304425977 in words is "twenty-two trillion, sixteen billion, three hundred four million, four hundred twenty-five thousand, nine hundred seventy-seven".