6229147 has 4 divisors (see below), whose sum is σ = 6236280. Its totient is φ = 6222016.

The previous prime is 6229141. The next prime is 6229151. The reversal of 6229147 is 7419226.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6229147 - 2¹¹ = 6227099 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 2¹⁹ + 2¹⁹ + 9⁷ + 1 + 4² + 7⁶ .

6229147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6229141) 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, 2038 + ... + 4075.

It is an arithmetic number, because the mean of its divisors is an integer number (1559070).

Almost surely, 2^6229147 is an apocalyptic number.

6229147 is the 2038-th pentagonal number.

6229147 is a deficient number, since it is larger than the sum of its proper divisors (7133).

6229147 is a wasteful number, since it uses less digits than its factorization.

6229147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132.

The product of its digits is 6048, while the sum is 31.

The square root of 6229147 is about 2495.8259154036. The cubic root of 6229147 is about 183.9964850463.

The spelling of 6229147 in words is "six million, two hundred twenty-nine thousand, one hundred forty-seven".