620422312 has 16 divisors (see below), whose sum is σ = 1163858400. Its totient is φ = 310060080.

The previous prime is 620422303. The next prime is 620422339. The reversal of 620422312 is 213224026.

620422312 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 3 ways as a sum of consecutive naturals, for example, 364 + ... + 35227.

It is an arithmetic number, because the mean of its divisors is an integer number (72741150).

Almost surely, 2^620422312 is an apocalyptic number.

It is an amenable number.

620422312 is a deficient number, since it is larger than the sum of its proper divisors (543436088).

620422312 is a wasteful number, since it uses less digits than its factorization.

620422312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37776 (or 37772 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 620422312 is about 24908.2779814262. The cubic root of 620422312 is about 852.8954598943.

Adding to 620422312 its reverse (213224026), we get a palindrome (833646338).

The spelling of 620422312 in words is "six hundred twenty million, four hundred twenty-two thousand, three hundred twelve".