6545228 has 12 divisors (see below), whose sum is σ = 11483640. Its totient is φ = 3264192.

The previous prime is 6545219. The next prime is 6545243. The reversal of 6545228 is 8225456.

It is a d-powerful number, because it can be written as 6 + 5⁸ + 4⁵ + 5⁹ + 2¹¹ + 2²² + 8⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 6545194 and 6545203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 3621.

It is an arithmetic number, because the mean of its divisors is an integer number (956970).

Almost surely, 2^6545228 is an apocalyptic number.

It is an amenable number.

6545228 is a deficient number, since it is larger than the sum of its proper divisors (4938412).

6545228 is a wasteful number, since it uses less digits than its factorization.

6545228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216 (or 4214 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 6545228 is about 2558.3643212021. The cubic root of 6545228 is about 187.0574141910.

The spelling of 6545228 in words is "six million, five hundred forty-five thousand, two hundred twenty-eight".