622670664 has 256 divisors, whose sum is σ = 2030469120. Its totient is φ = 154471680.

The previous prime is 622670627. The next prime is 622670677. The reversal of 622670664 is 466076226.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5819299 + ... + 5819405.

It is an arithmetic number, because the mean of its divisors is an integer number (7931520).

Almost surely, 2^622670664 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 622670664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015234560).

622670664 is an abundant number, since it is smaller than the sum of its proper divisors (1407798456).

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

622670664 is a wasteful number, since it uses less digits than its factorization.

622670664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 622670664 is about 24953.3697924749. The cubic root of 622670664 is about 853.9244887868.

The spelling of 622670664 in words is "six hundred twenty-two million, six hundred seventy thousand, six hundred sixty-four".