722109922 has 16 divisors (see below), whose sum is σ = 1109287872. Its totient is φ = 352361520.

The previous prime is 722109911. The next prime is 722109943. The reversal of 722109922 is 229901227.

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, 127168 + ... + 132724.

It is an arithmetic number, because the mean of its divisors is an integer number (69330492).

Almost surely, 2^722109922 is an apocalyptic number.

722109922 is a deficient number, since it is larger than the sum of its proper divisors (387177950).

722109922 is a wasteful number, since it uses less digits than its factorization.

722109922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7113.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 722109922 is about 26872.1030438632. The cubic root of 722109922 is about 897.1555968369.

The spelling of 722109922 in words is "seven hundred twenty-two million, one hundred nine thousand, nine hundred twenty-two".