6222604240 has 80 divisors (see below), whose sum is σ = 14989219200. Its totient is φ = 2399556096.

The previous prime is 6222604159. The next prime is 6222604247. The reversal of 6222604240 is 424062226.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 6222604199 and 6222604208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6222604247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907731 + ... + 1910989.

It is an arithmetic number, because the mean of its divisors is an integer number (187365240).

Almost surely, 2^6222604240 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 6222604240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7494609600).

6222604240 is an abundant number, since it is smaller than the sum of its proper divisors (8766614960).

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

6222604240 is a wasteful number, since it uses less digits than its factorization.

6222604240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124 (or 4118 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 6222604240 is about 78883.4852171226. The cubic root of 6222604240 is about 1839.3204248439.

Adding to 6222604240 its reverse (424062226), we get a palindrome (6646666466).

The spelling of 6222604240 in words is "six billion, two hundred twenty-two million, six hundred four thousand, two hundred forty".