6113220 has 48 divisors (see below), whose sum is σ = 17263680. Its totient is φ = 1616256.

The previous prime is 6113213. The next prime is 6113273. The reversal of 6113220 is 223116.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6113220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7974 + ... + 8706.

It is an arithmetic number, because the mean of its divisors is an integer number (359660).

Almost surely, 2^6113220 is an apocalyptic number.

6113220 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 6113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8631840).

6113220 is an abundant number, since it is smaller than the sum of its proper divisors (11150460).

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

6113220 is a wasteful number, since it uses less digits than its factorization.

6113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 6113220 is about 2472.4926693521. The cubic root of 6113220 is about 182.8479132944.

Adding to 6113220 its reverse (223116), we get a palindrome (6336336).

The spelling of 6113220 in words is "six million, one hundred thirteen thousand, two hundred twenty".