227748065 has 8 divisors (see below), whose sum is σ = 289374120. Its totient is φ = 171480832.

The previous prime is 227748023. The next prime is 227748067. The reversal of 227748065 is 560847722.

It can be written as a sum of positive squares in 4 ways, for example, as 13184161 + 214563904 = 3631^2 + 14648^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227748065 is a prime.

It is a super-2 number, since 2×227748065² = 103738362222488450, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (227748067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339610 + ... + 1339779.

It is an arithmetic number, because the mean of its divisors is an integer number (36171765).

Almost surely, 2^227748065 is an apocalyptic number.

It is an amenable number.

227748065 is a deficient number, since it is larger than the sum of its proper divisors (61626055).

227748065 is a wasteful number, since it uses less digits than its factorization.

227748065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679411.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 227748065 is about 15091.3241632403. The cubic root of 227748065 is about 610.6863769053.

The spelling of 227748065 in words is "two hundred twenty-seven million, seven hundred forty-eight thousand, sixty-five".