6622648242 has 64 divisors (see below), whose sum is σ = 15336034560. Its totient is φ = 1867447296.

The previous prime is 6622648187. The next prime is 6622648243. The reversal of 6622648242 is 2428462266.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6622648194 and 6622648203.

It is not an unprimeable number, because it can be changed into a prime (6622648243) 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 31 ways as a sum of consecutive naturals, for example, 2529318 + ... + 2531934.

It is an arithmetic number, because the mean of its divisors is an integer number (239625540).

Almost surely, 2^6622648242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6622648242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7668017280).

6622648242 is an abundant number, since it is smaller than the sum of its proper divisors (8713386318).

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

6622648242 is a wasteful number, since it uses less digits than its factorization.

6622648242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its digits is 442368, while the sum is 42.

The square root of 6622648242 is about 81379.6549636333. The cubic root of 6622648242 is about 1877.9206149579.

The spelling of 6622648242 in words is "six billion, six hundred twenty-two million, six hundred forty-eight thousand, two hundred forty-two".