6164220 has 48 divisors (see below), whose sum is σ = 17515008. Its totient is φ = 1619520.

The previous prime is 6164209. The next prime is 6164243. The reversal of 6164220 is 224616.

It is a happy number.

It is a congruent number.

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, 3537 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (364896).

Almost surely, 2^6164220 is an apocalyptic number.

6164220 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 6164220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8757504).

6164220 is an abundant number, since it is smaller than the sum of its proper divisors (11350788).

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

6164220 is a wasteful number, since it uses less digits than its factorization.

6164220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 6164220 is about 2482.7847268742. The cubic root of 6164220 is about 183.3549799968.

Adding to 6164220 its reverse (224616), we get a palindrome (6388836).

The spelling of 6164220 in words is "six million, one hundred sixty-four thousand, two hundred twenty".