722230073 has 4 divisors (see below), whose sum is σ = 722391780. Its totient is φ = 722068368.

The previous prime is 722230063. The next prime is 722230081. The reversal of 722230073 is 370032227.

722230073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370032227 = 37 ⋅10000871.

It can be written as a sum of positive squares in 2 ways, for example, as 43731769 + 678498304 = 6613^2 + 26048^2 .

It is a cyclic number.

It is not a de Polignac number, because 722230073 - 2⁶ = 722230009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722230063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73958 + ... + 83151.

It is an arithmetic number, because the mean of its divisors is an integer number (180597945).

Almost surely, 2^722230073 is an apocalyptic number.

It is an amenable number.

722230073 is a deficient number, since it is larger than the sum of its proper divisors (161707).

722230073 is a wasteful number, since it uses less digits than its factorization.

722230073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161706.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 722230073 is about 26874.3385593023. The cubic root of 722230073 is about 897.2053529571.

The spelling of 722230073 in words is "seven hundred twenty-two million, two hundred thirty thousand, seventy-three".