622748530 has 16 divisors (see below), whose sum is σ = 1121304384. Its totient is φ = 249020080.

The previous prime is 622748417. The next prime is 622748531. The reversal of 622748530 is 35847226.

622748530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 622748530.

It is not an unprimeable number, because it can be changed into a prime (622748531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31149 + ... + 47071.

It is an arithmetic number, because the mean of its divisors is an integer number (70081524).

Almost surely, 2^622748530 is an apocalyptic number.

622748530 is a deficient number, since it is larger than the sum of its proper divisors (498555854).

622748530 is a wasteful number, since it uses less digits than its factorization.

622748530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19841.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 622748530 is about 24954.9299738549. The cubic root of 622748530 is about 853.9600821947.

The spelling of 622748530 in words is "six hundred twenty-two million, seven hundred forty-eight thousand, five hundred thirty".