6221275 has 6 divisors (see below), whose sum is σ = 7714412. Its totient is φ = 4977000.

The previous prime is 6221273. The next prime is 6221287. The reversal of 6221275 is 5721226.

It is not a de Polignac number, because 6221275 - 2¹ = 6221273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 248851 = 6221275 / (6 + 2 + 2 + 1 + 2 + 7 + 5).

It is a d-powerful number, because it can be written as 6³ + 2⁵ + 2⁶ + 1 + 2¹⁶ + 7⁸ + 5⁸ .

It is a Duffinian number.

6221275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6221273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124401 + ... + 124450.

Almost surely, 2^6221275 is an apocalyptic number.

6221275 is a deficient number, since it is larger than the sum of its proper divisors (1493137).

6221275 is a wasteful number, since it uses less digits than its factorization.

6221275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248861 (or 248856 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 6221275 is about 2494.2483837822. The cubic root of 6221275 is about 183.9189446864.

The spelling of 6221275 in words is "six million, two hundred twenty-one thousand, two hundred seventy-five".