722728283308 has 12 divisors (see below), whose sum is σ = 1275967191240. Its totient is φ = 358166228672.

The previous prime is 722728283287. The next prime is 722728283309. The reversal of 722728283308 is 803382827227.

722728283308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×722728283308² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (722728283309) 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, 799477738 + ... + 799478641.

It is an arithmetic number, because the mean of its divisors is an integer number (106330599270).

Almost surely, 2^722728283308 is an apocalyptic number.

It is an amenable number.

722728283308 is a deficient number, since it is larger than the sum of its proper divisors (553238907932).

722728283308 is a wasteful number, since it uses less digits than its factorization.

722728283308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598956496 (or 1598956494 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 722728283308 in words is "seven hundred twenty-two billion, seven hundred twenty-eight million, two hundred eighty-three thousand, three hundred eight".