6220140 has 24 divisors (see below), whose sum is σ = 17416560. Its totient is φ = 1658688.

The previous prime is 6220129. The next prime is 6220141. The reversal of 6220140 is 410226.

It is a super-4 number, since 4×6220140⁴ (a number of 28 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (6220141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51775 + ... + 51894.

It is an arithmetic number, because the mean of its divisors is an integer number (725690).

Almost surely, 2^6220140 is an apocalyptic number.

6220140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6220140 is an abundant number, since it is smaller than the sum of its proper divisors (11196420).

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

6220140 is a wasteful number, since it uses less digits than its factorization.

6220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103681 (or 103679 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 6220140 is about 2494.0208499529. The cubic root of 6220140 is about 183.9077593749.

Adding to 6220140 its reverse (410226), we get a palindrome (6630366).

It can be divided in two parts, 62 and 20140, that added together give a palindrome (20202).

The spelling of 6220140 in words is "six million, two hundred twenty thousand, one hundred forty".