226115111 has 2 divisors, whose sum is σ = 226115112. Its totient is φ = 226115110.

The previous prime is 226115077. The next prime is 226115137. The reversal of 226115111 is 111511622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226115111 - 2¹⁰ = 226114087 is a prime.

It is a super-2 number, since 2×226115111² = 102256086845084642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226115171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113057555 + 113057556.

It is an arithmetic number, because the mean of its divisors is an integer number (113057556).

Almost surely, 2^226115111 is an apocalyptic number.

226115111 is a deficient number, since it is larger than the sum of its proper divisors (1).

226115111 is an equidigital number, since it uses as much as digits as its factorization.

226115111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 20.

The square root of 226115111 is about 15037.1244259001. The cubic root of 226115111 is about 609.2233338652.

Adding to 226115111 its reverse (111511622), we get a palindrome (337626733).

The spelling of 226115111 in words is "two hundred twenty-six million, one hundred fifteen thousand, one hundred eleven".