117222689 has 2 divisors, whose sum is σ = 117222690. Its totient is φ = 117222688.

The previous prime is 117222671. The next prime is 117222691. The reversal of 117222689 is 986222711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115240225 + 1982464 = 10735^2 + 1408^2 .

It is an emirp because it is prime and its reverse (986222711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117222689 - 2⁸ = 117222433 is a prime.

Together with 117222691, 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 (117222629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58611344 + 58611345.

It is an arithmetic number, because the mean of its divisors is an integer number (58611345).

Almost surely, 2^117222689 is an apocalyptic number.

It is an amenable number.

117222689 is a deficient number, since it is larger than the sum of its proper divisors (1).

117222689 is an equidigital number, since it uses as much as digits as its factorization.

117222689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 117222689 is about 10826.9427356018. The cubic root of 117222689 is about 489.4074316762.

The spelling of 117222689 in words is "one hundred seventeen million, two hundred twenty-two thousand, six hundred eighty-nine".