6224421888 has 528 divisors, whose sum is σ = 21115214400. Its totient is φ = 1804861440.

The previous prime is 6224421877. The next prime is 6224421899. The reversal of 6224421888 is 8881244226.

6224421888 is a `hidden beast` number, since 6 + 22 + 442 + 188 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (6224421877) and next prime (6224421899).

It is a nude number because it is divisible by every one of its digits.

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, 151815148 + ... + 151815188.

Almost surely, 2^6224421888 is an apocalyptic number.

6224421888 is a gapful number since it is divisible by the number (68) 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 6224421888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10557607200).

6224421888 is an abundant number, since it is smaller than the sum of its proper divisors (14890792512).

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

6224421888 is a wasteful number, since it uses less digits than its factorization.

6224421888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 82 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 6224421888 is about 78895.0054692944. The cubic root of 6224421888 is about 1839.4994984006.

The spelling of 6224421888 in words is "six billion, two hundred twenty-four million, four hundred twenty-one thousand, eight hundred eighty-eight".