622601056 has 72 divisors (see below), whose sum is σ = 1555535016. Its totient is φ = 242565120.

The previous prime is 622601041. The next prime is 622601093. The reversal of 622601056 is 650106226.

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

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 801 + ... + 35296.

It is an arithmetic number, because the mean of its divisors is an integer number (21604653).

Almost surely, 2^622601056 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 622601056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777767508).

622601056 is an abundant number, since it is smaller than the sum of its proper divisors (932933960).

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

622601056 is a wasteful number, since it uses less digits than its factorization.

622601056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36132 (or 36117 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 622601056 is about 24951.9749919721. The cubic root of 622601056 is about 853.8926676897.

The spelling of 622601056 in words is "six hundred twenty-two million, six hundred one thousand, fifty-six".