622295728 has 40 divisors (see below), whose sum is σ = 1260106848. Its totient is φ = 297149952.

The previous prime is 622295689. The next prime is 622295731. The reversal of 622295728 is 827592226.

622295728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379326 + ... + 380962.

Almost surely, 2^622295728 is an apocalyptic number.

It is an amenable number.

622295728 is an abundant number, since it is smaller than the sum of its proper divisors (637811120).

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

622295728 is a wasteful number, since it uses less digits than its factorization.

622295728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701 (or 2695 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 622295728 is about 24945.8559283902. The cubic root of 622295728 is about 853.7530598468.

The spelling of 622295728 in words is "six hundred twenty-two million, two hundred ninety-five thousand, seven hundred twenty-eight".