27001228 has 24 divisors (see below), whose sum is σ = 48206592. Its totient is φ = 13230864.

The previous prime is 27001199. The next prime is 27001243. The reversal of 27001228 is 82210072.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 27001199 and 27001208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55201 + ... + 55687.

It is an arithmetic number, because the mean of its divisors is an integer number (2008608).

Almost surely, 2^27001228 is an apocalyptic number.

It is an amenable number.

27001228 is a deficient number, since it is larger than the sum of its proper divisors (21205364).

27001228 is a wasteful number, since it uses less digits than its factorization.

27001228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 27001228 is about 5196.2705857182. The cubic root of 27001228 is about 300.0045480792.

The spelling of 27001228 in words is "twenty-seven million, one thousand, two hundred twenty-eight".