722880936 has 160 divisors (see below), whose sum is σ = 2160924480. Its totient is φ = 224985600.

The previous prime is 722880931. The next prime is 722880959. The reversal of 722880936 is 639088227.

It is a junction number, because it is equal to n+sod(n) for n = 722880891 and 722880900.

It is not an unprimeable number, because it can be changed into a prime (722880931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2324221 + ... + 2324531.

It is an arithmetic number, because the mean of its divisors is an integer number (13505778).

Almost surely, 2^722880936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722880936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080462240).

722880936 is an abundant number, since it is smaller than the sum of its proper divisors (1438043544).

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

722880936 is a wasteful number, since it uses less digits than its factorization.

722880936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 722880936 is about 26886.4452094359. The cubic root of 722880936 is about 897.4747880763.

The spelling of 722880936 in words is "seven hundred twenty-two million, eight hundred eighty thousand, nine hundred thirty-six".