6228444 has 12 divisors (see below), whose sum is σ = 14533064. Its totient is φ = 2076144.

The previous prime is 6228413. The next prime is 6228449. The reversal of 6228444 is 4448226.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6228444² = 77587029322272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228449) 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, 259507 + ... + 259530.

Almost surely, 2^6228444 is an apocalyptic number.

It is an amenable number.

6228444 is an abundant number, since it is smaller than the sum of its proper divisors (8304620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6228444 is a wasteful number, since it uses less digits than its factorization.

6228444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519044 (or 519042 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 6228444 is about 2495.6850762867. The cubic root of 6228444 is about 183.9895630501.

The spelling of 6228444 in words is "six million, two hundred twenty-eight thousand, four hundred forty-four".