6228621 has 12 divisors (see below), whose sum is σ = 10282272. Its totient is φ = 3559176.

The previous prime is 6228611. The next prime is 6228623. The reversal of 6228621 is 1268226.

6228621 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6228621 - 2⁵ = 6228589 is a prime.

6228621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49371 + ... + 49496.

It is an arithmetic number, because the mean of its divisors is an integer number (856856).

Almost surely, 2^6228621 is an apocalyptic number.

It is an amenable number.

6228621 is a deficient number, since it is larger than the sum of its proper divisors (4053651).

6228621 is a wasteful number, since it uses less digits than its factorization.

6228621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98880 (or 98877 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 6228621 is about 2495.7205372397. The cubic root of 6228621 is about 183.9913059062.

The spelling of 6228621 in words is "six million, two hundred twenty-eight thousand, six hundred twenty-one".