706222689 has 8 divisors (see below), whose sum is σ = 941888640. Its totient is φ = 470685936.

The previous prime is 706222661. The next prime is 706222709. The reversal of 706222689 is 986222607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 706222689 - 2¹³ = 706214497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 706222689.

It is not an unprimeable number, because it can be changed into a prime (706222189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18729 + ... + 41990.

It is an arithmetic number, because the mean of its divisors is an integer number (117736080).

Almost surely, 2^706222689 is an apocalyptic number.

It is an amenable number.

706222689 is a deficient number, since it is larger than the sum of its proper divisors (235665951).

706222689 is a wasteful number, since it uses less digits than its factorization.

706222689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64599.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 706222689 is about 26574.8506863162. The cubic root of 706222689 is about 890.5272678378.

The spelling of 706222689 in words is "seven hundred six million, two hundred twenty-two thousand, six hundred eighty-nine".