622615616 has 112 divisors (see below), whose sum is σ = 1547164800. Its totient is φ = 242393088.

The previous prime is 622615607. The next prime is 622615663. The reversal of 622615616 is 616516226.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

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, 219455 + ... + 222273.

Almost surely, 2^622615616 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 622615616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773582400).

622615616 is an abundant number, since it is smaller than the sum of its proper divisors (924549184).

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

622615616 is a wasteful number, since it uses less digits than its factorization.

622615616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 2874 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 622615616 is about 24952.2667507383. The cubic root of 622615616 is about 853.8993239480.

The spelling of 622615616 in words is "six hundred twenty-two million, six hundred fifteen thousand, six hundred sixteen".