227418133 has 4 divisors (see below), whose sum is σ = 227452960. Its totient is φ = 227383308.

The previous prime is 227418109. The next prime is 227418143. The reversal of 227418133 is 331814722.

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 a 3-Lehmer number, since φ(227418133) divides (227418133-1)³.

It is a cyclic number.

It is not a de Polignac number, because 227418133 - 2⁹ = 227417621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227418095 and 227418104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227418143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4353 + ... + 21766.

It is an arithmetic number, because the mean of its divisors is an integer number (56863240).

Almost surely, 2^227418133 is an apocalyptic number.

227418133 is the 8707-th octagonal number.

It is an amenable number.

227418133 is a deficient number, since it is larger than the sum of its proper divisors (34827).

227418133 is an equidigital number, since it uses as much as digits as its factorization.

227418133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34826.

The product of its digits is 8064, while the sum is 31.

The square root of 227418133 is about 15080.3890201811. The cubic root of 227418133 is about 610.3913398560.

The spelling of 227418133 in words is "two hundred twenty-seven million, four hundred eighteen thousand, one hundred thirty-three".