622818816 has 80 divisors (see below), whose sum is σ = 1682892288. Its totient is φ = 204646400.

The previous prime is 622818811. The next prime is 622818827. The reversal of 622818816 is 618818226.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622818811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106201 + ... + 111911.

Almost surely, 2^622818816 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 622818816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841446144).

622818816 is an abundant number, since it is smaller than the sum of its proper divisors (1060073472).

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

622818816 is an equidigital number, since it uses as much as digits as its factorization.

622818816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803 (or 5787 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 622818816 is about 24956.3381929321. The cubic root of 622818816 is about 853.9922081532.

The spelling of 622818816 in words is "six hundred twenty-two million, eight hundred eighteen thousand, eight hundred sixteen".