6225638 has 12 divisors (see below), whose sum is σ = 9921012. Its totient is φ = 2929440.

The previous prime is 6225623. The next prime is 6225647. The reversal of 6225638 is 8365226.

It is a d-powerful number, because it can be written as 6² + 2¹⁷ + 2²⁰ + 5⁴ + 6³ + 3¹⁴ + 8⁶ .

It is a congruent number.

It is an unprimeable number.

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, 4808 + ... + 5963.

It is an arithmetic number, because the mean of its divisors is an integer number (826751).

Almost surely, 2^6225638 is an apocalyptic number.

6225638 is a deficient number, since it is larger than the sum of its proper divisors (3695374).

6225638 is a wasteful number, since it uses less digits than its factorization.

6225638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10807 (or 10790 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 6225638 is about 2495.1228426673. The cubic root of 6225638 is about 183.9619289538.

The spelling of 6225638 in words is "six million, two hundred twenty-five thousand, six hundred thirty-eight".