730222287 has 8 divisors (see below), whose sum is σ = 992000304. Its totient is φ = 477629568.

The previous prime is 730222271. The next prime is 730222303. The reversal of 730222287 is 782222037.

It is an interprime number because it is at equal distance from previous prime (730222271) and next prime (730222303).

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

It is not a de Polignac number, because 730222287 - 2⁴ = 730222271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730222217) 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, 2296138 + ... + 2296455.

It is an arithmetic number, because the mean of its divisors is an integer number (124000038).

Almost surely, 2^730222287 is an apocalyptic number.

730222287 is a deficient number, since it is larger than the sum of its proper divisors (261778017).

730222287 is a wasteful number, since it uses less digits than its factorization.

730222287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592649.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 730222287 is about 27022.6254645991. The cubic root of 730222287 is about 900.5027179073.

The spelling of 730222287 in words is "seven hundred thirty million, two hundred twenty-two thousand, two hundred eighty-seven".