622401500 has 96 divisors (see below), whose sum is σ = 1573877760. Its totient is φ = 210600000.

The previous prime is 622401463. The next prime is 622401503. The reversal of 622401500 is 5104226.

It is a happy number.

622401500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622401503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275375 + ... + 277625.

It is an arithmetic number, because the mean of its divisors is an integer number (16394560).

Almost surely, 2^622401500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622401500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786938880).

622401500 is an abundant number, since it is smaller than the sum of its proper divisors (951476260).

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

622401500 is a wasteful number, since it uses less digits than its factorization.

622401500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 622401500 is about 24947.9758697975. The cubic root of 622401500 is about 853.8014280897.

Adding to 622401500 its reverse (5104226), we get a palindrome (627505726).

The spelling of 622401500 in words is "six hundred twenty-two million, four hundred one thousand, five hundred".