6225281 has 4 divisors (see below), whose sum is σ = 6591492. Its totient is φ = 5859072.

The previous prime is 6225223. The next prime is 6225299. The reversal of 6225281 is 1825226.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4879681 + 1345600 = 2209^2 + 1160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6225281 is a prime.

It is a super-2 number, since 2×6225281² = 77508247057922, which contains 22 as substring.

It is an Ulam number.

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 6225281.

It is not an unprimeable number, because it can be changed into a prime (6225211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183080 + ... + 183113.

It is an arithmetic number, because the mean of its divisors is an integer number (1647873).

Almost surely, 2^6225281 is an apocalyptic number.

It is an amenable number.

6225281 is a deficient number, since it is larger than the sum of its proper divisors (366211).

6225281 is a wasteful number, since it uses less digits than its factorization.

6225281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366210.

The product of its digits is 1920, while the sum is 26.

The square root of 6225281 is about 2495.0513020778. The cubic root of 6225281 is about 183.9584125451.

The spelling of 6225281 in words is "six million, two hundred twenty-five thousand, two hundred eighty-one".