6015220 has 12 divisors (see below), whose sum is σ = 12632004. Its totient is φ = 2406080.

The previous prime is 6015211. The next prime is 6015221. The reversal of 6015220 is 225106.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2039184 + 3976036 = 1428^2 + 1994^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6015194 and 6015203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6015221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150361 + ... + 150400.

It is an arithmetic number, because the mean of its divisors is an integer number (1052667).

Almost surely, 2^6015220 is an apocalyptic number.

It is an amenable number.

6015220 is an abundant number, since it is smaller than the sum of its proper divisors (6616784).

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

6015220 is a wasteful number, since it uses less digits than its factorization.

6015220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300770 (or 300768 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 6015220 is about 2452.5945445589. The cubic root of 6015220 is about 181.8655771896.

The spelling of 6015220 in words is "six million, fifteen thousand, two hundred twenty".