213332227 has 2 divisors, whose sum is σ = 213332228. Its totient is φ = 213332226.

The previous prime is 213332191. The next prime is 213332233. The reversal of 213332227 is 722233312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213332227 - 2¹¹ = 213330179 is a prime.

It is not a weakly prime, because it can be changed into another prime (213332257) 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 as a sum of consecutive naturals, namely, 106666113 + 106666114.

It is an arithmetic number, because the mean of its divisors is an integer number (106666114).

Almost surely, 2^213332227 is an apocalyptic number.

213332227 is a deficient number, since it is larger than the sum of its proper divisors (1).

213332227 is an equidigital number, since it uses as much as digits as its factorization.

213332227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 25.

The square root of 213332227 is about 14605.8969940227. The cubic root of 213332227 is about 597.5195999710.

Adding to 213332227 its reverse (722233312), we get a palindrome (935565539).

The spelling of 213332227 in words is "two hundred thirteen million, three hundred thirty-two thousand, two hundred twenty-seven".