227208081 has 4 divisors (see below), whose sum is σ = 302944112. Its totient is φ = 151472052.

The previous prime is 227208071. The next prime is 227208119. The reversal of 227208081 is 180802722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 227208081 - 2⁵ = 227208049 is a prime.

It is a super-2 number, since 2×227208081² = 103247024143405122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227208031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37868011 + ... + 37868016.

It is an arithmetic number, because the mean of its divisors is an integer number (75736028).

Almost surely, 2^227208081 is an apocalyptic number.

It is an amenable number.

227208081 is a deficient number, since it is larger than the sum of its proper divisors (75736031).

227208081 is an equidigital number, since it uses as much as digits as its factorization.

227208081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75736030.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 227208081 is about 15073.4230020921. The cubic root of 227208081 is about 610.2033551152.

The spelling of 227208081 in words is "two hundred twenty-seven million, two hundred eight thousand, eighty-one".