730222043 has 4 divisors (see below), whose sum is σ = 739465440. Its totient is φ = 720978648.

The previous prime is 730222039. The next prime is 730222049. The reversal of 730222043 is 340222037.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 730222043 - 2² = 730222039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730222049) 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 3 ways as a sum of consecutive naturals, for example, 4621580 + ... + 4621737.

It is an arithmetic number, because the mean of its divisors is an integer number (184866360).

Almost surely, 2^730222043 is an apocalyptic number.

730222043 is a deficient number, since it is larger than the sum of its proper divisors (9243397).

730222043 is an equidigital number, since it uses as much as digits as its factorization.

730222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243396.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 730222043 is about 27022.6209498635. The cubic root of 730222043 is about 900.5026176078.

The spelling of 730222043 in words is "seven hundred thirty million, two hundred twenty-two thousand, forty-three".