6223388544 has 128 divisors (see below), whose sum is σ = 18547027200. Its totient is φ = 2054204928.

The previous prime is 6223388537. The next prime is 6223388551. The reversal of 6223388544 is 4458833226.

6223388544 is a `hidden beast` number, since 6 + 2 + 23 + 3 + 88 + 544 = 666.

It is an interprime number because it is at equal distance from previous prime (6223388537) and next prime (6223388551).

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 6223388544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347227 + ... + 364709.

It is an arithmetic number, because the mean of its divisors is an integer number (144898650).

Almost surely, 2^6223388544 is an apocalyptic number.

6223388544 is a gapful number since it is divisible by the number (64) 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 6223388544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9273513600).

6223388544 is an abundant number, since it is smaller than the sum of its proper divisors (12323638656).

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

6223388544 is a wasteful number, since it uses less digits than its factorization.

6223388544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17609 (or 17591 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 6223388544 is about 78888.4563418502. The cubic root of 6223388544 is about 1839.3976982655.

The spelling of 6223388544 in words is "six billion, two hundred twenty-three million, three hundred eighty-eight thousand, five hundred forty-four".