27228365 has 8 divisors (see below), whose sum is σ = 32703480. Its totient is φ = 21763072.

The previous prime is 27228347. The next prime is 27228371. The reversal of 27228365 is 56382272.

It can be written as a sum of positive squares in 4 ways, for example, as 9947716 + 17280649 = 3154^2 + 4157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27228365 - 2¹⁰ = 27227341 is a prime.

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, 6881 + ... + 10089.

It is an arithmetic number, because the mean of its divisors is an integer number (4087935).

Almost surely, 2^27228365 is an apocalyptic number.

It is an amenable number.

27228365 is a deficient number, since it is larger than the sum of its proper divisors (5475115).

27228365 is a wasteful number, since it uses less digits than its factorization.

27228365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911.

The product of its digits is 40320, while the sum is 35.

The square root of 27228365 is about 5218.0805858093. The cubic root of 27228365 is about 300.8434228670.

The spelling of 27228365 in words is "twenty-seven million, two hundred twenty-eight thousand, three hundred sixty-five".