622630140 has 96 divisors (see below), whose sum is σ = 1928054016. Its totient is φ = 148861440.

The previous prime is 622630139. The next prime is 622630157. The reversal of 622630140 is 41036226.

622630140 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 622630140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41719 + ... + 54641.

It is an arithmetic number, because the mean of its divisors is an integer number (20083896).

Almost surely, 2^622630140 is an apocalyptic number.

622630140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622630140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964027008).

622630140 is an abundant number, since it is smaller than the sum of its proper divisors (1305423876).

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

622630140 is a wasteful number, since it uses less digits than its factorization.

622630140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019 (or 13017 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 622630140 is about 24952.5577847242. The cubic root of 622630140 is about 853.9059636452.

Adding to 622630140 its reverse (41036226), we get a palindrome (663666366).

The spelling of 622630140 in words is "six hundred twenty-two million, six hundred thirty thousand, one hundred forty".