27228516 has 36 divisors (see below), whose sum is σ = 73907568. Its totient is φ = 7779408.

The previous prime is 27228511. The next prime is 27228529. The reversal of 27228516 is 61582272.

It is not an unprimeable number, because it can be changed into a prime (27228511) 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, 22566 + ... + 23741.

It is an arithmetic number, because the mean of its divisors is an integer number (2052988).

Almost surely, 2^27228516 is an apocalyptic number.

It is an amenable number.

27228516 is an abundant number, since it is smaller than the sum of its proper divisors (46679052).

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

27228516 is a wasteful number, since it uses less digits than its factorization.

27228516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46328 (or 46319 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 27228516 is about 5218.0950547111. The cubic root of 27228516 is about 300.8439789939.

The spelling of 27228516 in words is "twenty-seven million, two hundred twenty-eight thousand, five hundred sixteen".