622650624 has 72 divisors (see below), whose sum is σ = 1710680832. Its totient is φ = 200847360.

The previous prime is 622650601. The next prime is 622650629. The reversal of 622650624 is 426056226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622650629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10732 + ... + 36884.

It is an arithmetic number, because the mean of its divisors is an integer number (23759456).

Almost surely, 2^622650624 is an apocalyptic number.

622650624 is a gapful number since it is divisible by the number (64) 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 622650624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855340416).

622650624 is an abundant number, since it is smaller than the sum of its proper divisors (1088030208).

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

622650624 is a wasteful number, since it uses less digits than its factorization.

622650624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26203 (or 26189 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 622650624 is about 24952.9682402715. The cubic root of 622650624 is about 853.9153278015.

The spelling of 622650624 in words is "six hundred twenty-two million, six hundred fifty thousand, six hundred twenty-four".