213116227 has 8 divisors (see below), whose sum is σ = 223091712. Its totient is φ = 203334600.

The previous prime is 213116221. The next prime is 213116243. The reversal of 213116227 is 722611312.

It is a happy number.

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 213116227 - 2¹¹ = 213114179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213116221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46213 + ... + 50614.

It is an arithmetic number, because the mean of its divisors is an integer number (27886464).

Almost surely, 2^213116227 is an apocalyptic number.

213116227 is a deficient number, since it is larger than the sum of its proper divisors (9975485).

213116227 is an equidigital number, since it uses as much as digits as its factorization.

213116227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96929.

The product of its digits is 1008, while the sum is 25.

The square root of 213116227 is about 14598.5008476898. The cubic root of 213116227 is about 597.3178679599.

Adding to 213116227 its reverse (722611312), we get a palindrome (935727539).

The spelling of 213116227 in words is "two hundred thirteen million, one hundred sixteen thousand, two hundred twenty-seven".