722238606 has 20 divisors (see below), whose sum is σ = 1618349832. Its totient is φ = 240746148.

The previous prime is 722238599. The next prime is 722238661. The reversal of 722238606 is 606832227.

722238606 is a `hidden beast` number, since 7 + 22 + 23 + 8 + 606 = 666.

722238606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2228970 + ... + 2229293.

Almost surely, 2^722238606 is an apocalyptic number.

722238606 is an abundant number, since it is smaller than the sum of its proper divisors (896111226).

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

722238606 is a wasteful number, since it uses less digits than its factorization.

722238606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458277 (or 4458268 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 722238606 is about 26874.4973162290. The cubic root of 722238606 is about 897.2088863755.

The spelling of 722238606 in words is "seven hundred twenty-two million, two hundred thirty-eight thousand, six hundred six".