6217828344 has 144 divisors (see below), whose sum is σ = 21096358920. Its totient is φ = 1639854720.

The previous prime is 6217828333. The next prime is 6217828361. The reversal of 6217828344 is 4438287126.

It is a happy number.

It is a super-2 number, since 2×6217828344² = 77322778630899564672, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6217828344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21922 + ... + 113649.

Almost surely, 2^6217828344 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 6217828344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10548179460).

6217828344 is an abundant number, since it is smaller than the sum of its proper divisors (14878530576).

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

6217828344 is a wasteful number, since it uses less digits than its factorization.

6217828344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135610 (or 135596 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 6217828344 is about 78853.2075695085. The cubic root of 6217828344 is about 1838.8497402749.

The spelling of 6217828344 in words is "six billion, two hundred seventeen million, eight hundred twenty-eight thousand, three hundred forty-four".