6229140 has 96 divisors (see below), whose sum is σ = 19160064. Its totient is φ = 1505280.

The previous prime is 6229133. The next prime is 6229141. The reversal of 6229140 is 419226.

It is a self number, because there is not a number n which added to its sum of digits gives 6229140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6229141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31522 + ... + 31718.

It is an arithmetic number, because the mean of its divisors is an integer number (199584).

Almost surely, 2^6229140 is an apocalyptic number.

6229140 is a gapful number since it is divisible by the number (60) 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 6229140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9580032).

6229140 is an abundant number, since it is smaller than the sum of its proper divisors (12930924).

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

6229140 is a wasteful number, since it uses less digits than its factorization.

6229140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 6229140 is about 2495.8245130618. The cubic root of 6229140 is about 183.9964161243.

The spelling of 6229140 in words is "six million, two hundred twenty-nine thousand, one hundred forty".