622015331328 has 176 divisors, whose sum is σ = 1901533957120. Its totient is φ = 200649830400.

The previous prime is 622015331317. The next prime is 622015331347. The reversal of 622015331328 is 823133510226.

622015331328 is a `hidden beast` number, since 622 + 0 + 1 + 5 + 3 + 3 + 1 + 3 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 622015331292 and 622015331301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494223 + ... + 1219953.

Almost surely, 2^622015331328 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 622015331328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950766978560).

622015331328 is an abundant number, since it is smaller than the sum of its proper divisors (1279518625792).

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

622015331328 is a wasteful number, since it uses less digits than its factorization.

622015331328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725791 (or 725767 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 622015331328 in words is "six hundred twenty-two billion, fifteen million, three hundred thirty-one thousand, three hundred twenty-eight".