226705811 has 2 divisors, whose sum is σ = 226705812. Its totient is φ = 226705810.

The previous prime is 226705799. The next prime is 226705841. The reversal of 226705811 is 118507622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226705811 - 2¹⁰ = 226704787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226705841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113352905 + 113352906.

It is an arithmetic number, because the mean of its divisors is an integer number (113352906).

Almost surely, 2^226705811 is an apocalyptic number.

226705811 is a deficient number, since it is larger than the sum of its proper divisors (1).

226705811 is an equidigital number, since it uses as much as digits as its factorization.

226705811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 226705811 is about 15056.7530032208. The cubic root of 226705811 is about 609.7533814504.

The spelling of 226705811 in words is "two hundred twenty-six million, seven hundred five thousand, eight hundred eleven".