722255722 has 16 divisors (see below), whose sum is σ = 1099946952. Its totient is φ = 355622400.

The previous prime is 722255719. The next prime is 722255741. The reversal of 722255722 is 227552227.

It can be written as a sum of positive squares in 4 ways, for example, as 686387601 + 35868121 = 26199^2 + 5989^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98818 + ... + 105874.

Almost surely, 2^722255722 is an apocalyptic number.

722255722 is a deficient number, since it is larger than the sum of its proper divisors (377691230).

722255722 is a wasteful number, since it uses less digits than its factorization.

722255722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833.

The product of its digits is 39200, while the sum is 34.

The square root of 722255722 is about 26874.8157575080. The cubic root of 722255722 is about 897.2159738329.

The spelling of 722255722 in words is "seven hundred twenty-two million, two hundred fifty-five thousand, seven hundred twenty-two".