730222289 has 8 divisors (see below), whose sum is σ = 735143040. Its totient is φ = 725318416.

The previous prime is 730222271. The next prime is 730222303. The reversal of 730222289 is 982222037.

It is a happy number.

730222289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730222289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730222219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89432 + ... + 97254.

It is an arithmetic number, because the mean of its divisors is an integer number (91892880).

Almost surely, 2^730222289 is an apocalyptic number.

It is an amenable number.

730222289 is a deficient number, since it is larger than the sum of its proper divisors (4920751).

730222289 is a wasteful number, since it uses less digits than its factorization.

730222289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 730222289 is about 27022.6255016051. The cubic root of 730222289 is about 900.5027187294.

The spelling of 730222289 in words is "seven hundred thirty million, two hundred twenty-two thousand, two hundred eighty-nine".