6228172 has 6 divisors (see below), whose sum is σ = 10899308. Its totient is φ = 3114084.

The previous prime is 6228139. The next prime is 6228203. The reversal of 6228172 is 2718226.

It is a super-3 number, since 3×6228172³ (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6228172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778518 + ... + 778525.

Almost surely, 2^6228172 is an apocalyptic number.

It is an amenable number.

6228172 is a deficient number, since it is larger than the sum of its proper divisors (4671136).

6228172 is a wasteful number, since it uses less digits than its factorization.

6228172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557047 (or 1557045 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 6228172 is about 2495.6305816366. The cubic root of 6228172 is about 183.9868846984.

It can be divided in two parts, 6228 and 172, that added together give a square (6400 = 80²).

The spelling of 6228172 in words is "six million, two hundred twenty-eight thousand, one hundred seventy-two".