722126722 has 16 divisors (see below), whose sum is σ = 1132791552. Its totient is φ = 344599200.

The previous prime is 722126707. The next prime is 722126759. The reversal of 722126722 is 227621227.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3847 + ... + 38197.

It is an arithmetic number, because the mean of its divisors is an integer number (70799472).

Almost surely, 2^722126722 is an apocalyptic number.

722126722 is a deficient number, since it is larger than the sum of its proper divisors (410664830).

722126722 is a wasteful number, since it uses less digits than its factorization.

722126722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34833.

The product of its digits is 9408, while the sum is 31.

The square root of 722126722 is about 26872.4156338800. The cubic root of 722126722 is about 897.1625542713.

Adding to 722126722 its reverse (227621227), we get a palindrome (949747949).

The spelling of 722126722 in words is "seven hundred twenty-two million, one hundred twenty-six thousand, seven hundred twenty-two".