6150221 has 8 divisors (see below), whose sum is σ = 7667904. Its totient is φ = 4792320.

The previous prime is 6150211. The next prime is 6150227. The reversal of 6150221 is 1220516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6150221 - 2¹⁰ = 6149197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6150221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6150227) 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 7 ways as a sum of consecutive naturals, for example, 39860 + ... + 40013.

It is an arithmetic number, because the mean of its divisors is an integer number (958488).

Almost surely, 2^6150221 is an apocalyptic number.

It is an amenable number.

6150221 is a deficient number, since it is larger than the sum of its proper divisors (1517683).

6150221 is a wasteful number, since it uses less digits than its factorization.

6150221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79891.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 6150221 is about 2479.9639110277. The cubic root of 6150221 is about 183.2160745130.

Adding to 6150221 its reverse (1220516), we get a palindrome (7370737).

The spelling of 6150221 in words is "six million, one hundred fifty thousand, two hundred twenty-one".