6228457 has 2 divisors, whose sum is σ = 6228458. Its totient is φ = 6228456.

The previous prime is 6228449. The next prime is 6228463. The reversal of 6228457 is 7548226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6095961 + 132496 = 2469^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 6228457 - 2³ = 6228449 is a prime.

It is an Ulam number.

6228457 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6228857) 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 as a sum of consecutive naturals, namely, 3114228 + 3114229.

It is an arithmetic number, because the mean of its divisors is an integer number (3114229).

Almost surely, 2^6228457 is an apocalyptic number.

It is an amenable number.

6228457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6228457 is an equidigital number, since it uses as much as digits as its factorization.

6228457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 6228457 is about 2495.6876807806. The cubic root of 6228457 is about 183.9896910576.

The spelling of 6228457 in words is "six million, two hundred twenty-eight thousand, four hundred fifty-seven".