6622214556 has 72 divisors (see below), whose sum is σ = 16187592960. Its totient is φ = 2106894944.

The previous prime is 6622214551. The next prime is 6622214569. The reversal of 6622214556 is 6554122266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622214551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4182541 + ... + 4184123.

It is an arithmetic number, because the mean of its divisors is an integer number (224827680).

Almost surely, 2^6622214556 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 6622214556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8093796480).

6622214556 is an abundant number, since it is smaller than the sum of its proper divisors (9565378404).

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

6622214556 is a wasteful number, since it uses less digits than its factorization.

6622214556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2270 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 6622214556 is about 81376.9903351064. The cubic root of 6622214556 is about 1877.8796220082.

The spelling of 6622214556 in words is "six billion, six hundred twenty-two million, two hundred fourteen thousand, five hundred fifty-six".