724306422 has 16 divisors (see below), whose sum is σ = 1655557632. Its totient is φ = 206944680.

The previous prime is 724306421. The next prime is 724306439. The reversal of 724306422 is 224603427.

724306422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 724306422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724306421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8622654 + ... + 8622737.

It is an arithmetic number, because the mean of its divisors is an integer number (103472352).

Almost surely, 2^724306422 is an apocalyptic number.

724306422 is an abundant number, since it is smaller than the sum of its proper divisors (931251210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724306422 is a wasteful number, since it uses less digits than its factorization.

724306422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17245403.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 724306422 is about 26912.9415337677. The cubic root of 724306422 is about 898.0643262568.

Adding to 724306422 its reverse (224603427), we get a palindrome (948909849).

The spelling of 724306422 in words is "seven hundred twenty-four million, three hundred six thousand, four hundred twenty-two".