6142220 has 48 divisors (see below), whose sum is σ = 14968128. Its totient is φ = 2073600.

The previous prime is 6142211. The next prime is 6142231. The reversal of 6142220 is 222416.

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, 9920 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (311836).

Almost surely, 2^6142220 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 6142220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7484064).

6142220 is an abundant number, since it is smaller than the sum of its proper divisors (8825908).

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

6142220 is a wasteful number, since it uses less digits than its factorization.

6142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 6142220 is about 2478.3502577319. The cubic root of 6142220 is about 183.1365896752.

Adding to 6142220 its reverse (222416), we get a palindrome (6364636).

The spelling of 6142220 in words is "six million, one hundred forty-two thousand, two hundred twenty".