6623222580 has 144 divisors (see below), whose sum is σ = 22437402624. Its totient is φ = 1630316160.

The previous prime is 6623222579. The next prime is 6623222603. The reversal of 6623222580 is 852223266.

6623222580 is a `hidden beast` number, since 6 + 623 + 2 + 2 + 25 + 8 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10765 + ... + 115595.

It is an arithmetic number, because the mean of its divisors is an integer number (155815296).

Almost surely, 2^6623222580 is an apocalyptic number.

6623222580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6623222580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11218701312).

6623222580 is an abundant number, since it is smaller than the sum of its proper divisors (15814180044).

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

6623222580 is a wasteful number, since it uses less digits than its factorization.

6623222580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104868 (or 104854 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 6623222580 is about 81383.1836437971. The cubic root of 6623222580 is about 1877.9748998881.

The spelling of 6623222580 in words is "six billion, six hundred twenty-three million, two hundred twenty-two thousand, five hundred eighty".