226115211 has 16 divisors (see below), whose sum is σ = 345492224. Its totient is φ = 128857824.

The previous prime is 226115171. The next prime is 226115297. The reversal of 226115211 is 112511622.

It is not a de Polignac number, because 226115211 - 2⁹ = 226114699 is a prime.

It is a super-2 number, since 2×226115211² = 102256177291149042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (226115111) 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 in 15 ways as a sum of consecutive naturals, for example, 6601 + ... + 22266.

It is an arithmetic number, because the mean of its divisors is an integer number (21593264).

Almost surely, 2^226115211 is an apocalyptic number.

226115211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

226115211 is a deficient number, since it is larger than the sum of its proper divisors (119377013).

226115211 is a wasteful number, since it uses less digits than its factorization.

226115211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29250.

The product of its digits is 240, while the sum is 21.

The square root of 226115211 is about 15037.1277510035. The cubic root of 226115211 is about 609.2234236753.

Adding to 226115211 its reverse (112511622), we get a palindrome (338626833).

The spelling of 226115211 in words is "two hundred twenty-six million, one hundred fifteen thousand, two hundred eleven".