622483840 has 128 divisors (see below), whose sum is σ = 1679940000. Its totient is φ = 218480640.

The previous prime is 622483817. The next prime is 622483847. The reversal of 622483840 is 48384226.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×622483840² = 774972262122291200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 622483840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622483847) 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 15 ways as a sum of consecutive naturals, for example, 202636 + ... + 205684.

Almost surely, 2^622483840 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 622483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839970000).

622483840 is an abundant number, since it is smaller than the sum of its proper divisors (1057456160).

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

622483840 is a wasteful number, since it uses less digits than its factorization.

622483840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108 (or 3096 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 622483840 is about 24949.6260493018. The cubic root of 622483840 is about 853.8390773722.

The spelling of 622483840 in words is "six hundred twenty-two million, four hundred eighty-three thousand, eight hundred forty".