720310222 has 16 divisors (see below), whose sum is σ = 1109428992. Its totient is φ = 350542080.

The previous prime is 720310211. The next prime is 720310223. The reversal of 720310222 is 222013027.

It is a self number, because there is not a number n which added to its sum of digits gives 720310222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720310223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25363 + ... + 45649.

It is an arithmetic number, because the mean of its divisors is an integer number (69339312).

Almost surely, 2^720310222 is an apocalyptic number.

720310222 is a deficient number, since it is larger than the sum of its proper divisors (389118770).

720310222 is a wasteful number, since it uses less digits than its factorization.

720310222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20763.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 720310222 is about 26838.5957531313. The cubic root of 720310222 is about 896.4096558600.

Adding to 720310222 its reverse (222013027), we get a palindrome (942323249).

The spelling of 720310222 in words is "seven hundred twenty million, three hundred ten thousand, two hundred twenty-two".