213222227 has 2 divisors, whose sum is σ = 213222228. Its totient is φ = 213222226.

The previous prime is 213222223. The next prime is 213222271. The reversal of 213222227 is 722222312.

213222227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213222227 - 2² = 213222223 is a prime.

It is not a weakly prime, because it can be changed into another prime (213222223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611113 + 106611114.

It is an arithmetic number, because the mean of its divisors is an integer number (106611114).

Almost surely, 2^213222227 is an apocalyptic number.

213222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

213222227 is an equidigital number, since it uses as much as digits as its factorization.

213222227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 23.

The square root of 213222227 is about 14602.1309061383. The cubic root of 213222227 is about 597.4168831005.

Adding to 213222227 its reverse (722222312), we get a palindrome (935444539).

The spelling of 213222227 in words is "two hundred thirteen million, two hundred twenty-two thousand, two hundred twenty-seven".