22176672689 has 2 divisors, whose sum is σ = 22176672690. Its totient is φ = 22176672688.

The previous prime is 22176672631. The next prime is 22176672691. The reversal of 22176672689 is 98627667122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20565854464 + 1610818225 = 143408^2 + 40135^2 .

It is a cyclic number.

It is not a de Polignac number, because 22176672689 - 2²⁰ = 22175624113 is a prime.

Together with 22176672691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22176872689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11088336344 + 11088336345.

It is an arithmetic number, because the mean of its divisors is an integer number (11088336345).

Almost surely, 2^22176672689 is an apocalyptic number.

It is an amenable number.

22176672689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22176672689 is an equidigital number, since it uses as much as digits as its factorization.

22176672689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 56.

The spelling of 22176672689 in words is "twenty-two billion, one hundred seventy-six million, six hundred seventy-two thousand, six hundred eighty-nine".