622045008 has 240 divisors, whose sum is σ = 2011982336. Its totient is φ = 184757760.

The previous prime is 622045003. The next prime is 622045031. The reversal of 622045008 is 800540226.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622045003) 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 47 ways as a sum of consecutive naturals, for example, 1566666 + ... + 1567062.

Almost surely, 2^622045008 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 622045008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005991168).

622045008 is an abundant number, since it is smaller than the sum of its proper divisors (1389937328).

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

622045008 is a wasteful number, since it uses less digits than its factorization.

622045008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 622045008 is about 24940.8301385499. The cubic root of 622045008 is about 853.6383867576.

The spelling of 622045008 in words is "six hundred twenty-two million, forty-five thousand, eight".