622005328 has 60 divisors (see below), whose sum is σ = 1423405920. Its totient is φ = 257929920.

The previous prime is 622005323. The next prime is 622005331. The reversal of 622005328 is 823500226.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 622005296 and 622005305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622005323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104743 + ... + 110521.

It is an arithmetic number, because the mean of its divisors is an integer number (23723432).

Almost surely, 2^622005328 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 622005328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711702960).

622005328 is an abundant number, since it is smaller than the sum of its proper divisors (801400592).

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

622005328 is a wasteful number, since it uses less digits than its factorization.

622005328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856 (or 5819 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 622005328 is about 24940.0346431195. The cubic root of 622005328 is about 853.6202352889.

It can be divided in two parts, 62200 and 5328, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 622005328 in words is "six hundred twenty-two million, five thousand, three hundred twenty-eight".