226662211 has 2 divisors, whose sum is σ = 226662212. Its totient is φ = 226662210.

The previous prime is 226662209. The next prime is 226662221. The reversal of 226662211 is 112266622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226662211 - 2¹ = 226662209 is a prime.

Together with 226662209, it forms a pair of twin primes.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 226662211.

It is not a weakly prime, because it can be changed into another prime (226662221) 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, 113331105 + 113331106.

It is an arithmetic number, because the mean of its divisors is an integer number (113331106).

Almost surely, 2^226662211 is an apocalyptic number.

226662211 is a deficient number, since it is larger than the sum of its proper divisors (1).

226662211 is an equidigital number, since it uses as much as digits as its factorization.

226662211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 226662211 is about 15055.3050782772. The cubic root of 226662211 is about 609.7142897427.

The spelling of 226662211 in words is "two hundred twenty-six million, six hundred sixty-two thousand, two hundred eleven".