722230247 has 8 divisors (see below), whose sum is σ = 747988992. Its totient is φ = 696904600.

The previous prime is 722230241. The next prime is 722230259. The reversal of 722230247 is 742032227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 722230247 - 2⁴ = 722230231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722230241) 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 in 7 ways as a sum of consecutive naturals, for example, 104879 + ... + 111552.

It is an arithmetic number, because the mean of its divisors is an integer number (93498624).

Almost surely, 2^722230247 is an apocalyptic number.

722230247 is a deficient number, since it is larger than the sum of its proper divisors (25758745).

722230247 is a wasteful number, since it uses less digits than its factorization.

722230247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216549.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 722230247 is about 26874.3417965910. The cubic root of 722230247 is about 897.2054250088.

The spelling of 722230247 in words is "seven hundred twenty-two million, two hundred thirty thousand, two hundred forty-seven".